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Finding the Fourth Proportional to 60,565.65, 90,854.54 and 23,157.20

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Solution

The fourth proportional to 60,565.65, 90,854.54 and 23,157.20 is: 34,738.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,565.65 : 90,854.54 = 23,157.20 : x
  2. Step 2: Convert to fraction form
    60,565.65/90,854.54 = 23,157.20/x
  3. Step 3: Cross multiply
    60,565.65x = 90,854.54 × 23,157.20
  4. Step 4: Simplify right side
    60,565.65x = 2,103,936,753.69
  5. Step 5: Solve for x
    x = 2,103,936,753.69/60,565.65
  6. Step 6: Final answer
    x = 34,738.12

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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.