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Finding the Fourth Proportional to 157,220.19, 235,926.90 and 62,433.78

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Solution

The fourth proportional to 157,220.19, 235,926.90 and 62,433.78 is: 93,689.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,220.19 : 235,926.90 = 62,433.78 : x
  2. Step 2: Convert to fraction form
    157,220.19/235,926.90 = 62,433.78/x
  3. Step 3: Cross multiply
    157,220.19x = 235,926.90 × 62,433.78
  4. Step 4: Simplify right side
    157,220.19x = 14,729,808,170.68
  5. Step 5: Solve for x
    x = 14,729,808,170.68/157,220.19
  6. Step 6: Final answer
    x = 93,689.04

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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.