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Finding the Fourth Proportional to 97,799,227.60, 146,698,841.40 and 87,595,560.40

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Solution

The fourth proportional to 97,799,227.60, 146,698,841.40 and 87,595,560.40 is: 131,393,340.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,799,227.60 : 146,698,841.40 = 87,595,560.40 : x
  2. Step 2: Convert to fraction form
    97,799,227.60/146,698,841.40 = 87,595,560.40/x
  3. Step 3: Cross multiply
    97,799,227.60x = 146,698,841.40 × 87,595,560.40
  4. Step 4: Simplify right side
    97,799,227.60x = 12,850,167,222,463,722
  5. Step 5: Solve for x
    x = 12,850,167,222,463,722/97,799,227.60
  6. Step 6: Final answer
    x = 131,393,340.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.