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Finding the Fourth Proportional to 157,687.50, 236,565.81 and 59,191.50

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Solution

The fourth proportional to 157,687.50, 236,565.81 and 59,191.50 is: 88,800.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,687.50 : 236,565.81 = 59,191.50 : x
  2. Step 2: Convert to fraction form
    157,687.50/236,565.81 = 59,191.50/x
  3. Step 3: Cross multiply
    157,687.50x = 236,565.81 × 59,191.50
  4. Step 4: Simplify right side
    157,687.50x = 14,002,685,142.62
  5. Step 5: Solve for x
    x = 14,002,685,142.62/157,687.50
  6. Step 6: Final answer
    x = 88,800.22

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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.