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Finding the Fourth Proportional to 97,788.70, 146,683.05 and 97,788.70

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Solution

The fourth proportional to 97,788.70, 146,683.05 and 97,788.70 is: 146,683.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,788.70 : 146,683.05 = 97,788.70 : x
  2. Step 2: Convert to fraction form
    97,788.70/146,683.05 = 97,788.70/x
  3. Step 3: Cross multiply
    97,788.70x = 146,683.05 × 97,788.70
  4. Step 4: Simplify right side
    97,788.70x = 14,343,944,771.54
  5. Step 5: Solve for x
    x = 14,343,944,771.54/97,788.70
  6. Step 6: Final answer
    x = 146,683.05

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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.