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Finding the Fourth Proportional to 63,813.70, 95,720.55 and 60,751.90

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Solution

The fourth proportional to 63,813.70, 95,720.55 and 60,751.90 is: 91,127.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,813.70 : 95,720.55 = 60,751.90 : x
  2. Step 2: Convert to fraction form
    63,813.70/95,720.55 = 60,751.90/x
  3. Step 3: Cross multiply
    63,813.70x = 95,720.55 × 60,751.90
  4. Step 4: Simplify right side
    63,813.70x = 5,815,205,281.55
  5. Step 5: Solve for x
    x = 5,815,205,281.55/63,813.70
  6. Step 6: Final answer
    x = 91,127.85

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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.