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Finding the Fourth Proportional to 97,364.40, 146,046.60 and 55,201.20

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Solution

The fourth proportional to 97,364.40, 146,046.60 and 55,201.20 is: 82,801.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,364.40 : 146,046.60 = 55,201.20 : x
  2. Step 2: Convert to fraction form
    97,364.40/146,046.60 = 55,201.20/x
  3. Step 3: Cross multiply
    97,364.40x = 146,046.60 × 55,201.20
  4. Step 4: Simplify right side
    97,364.40x = 8,061,947,575.92
  5. Step 5: Solve for x
    x = 8,061,947,575.92/97,364.40
  6. Step 6: Final answer
    x = 82,801.80

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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.