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Finding the Fourth Proportional to 158,672.57, 237,892.21 and 75,624.89

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Solution

The fourth proportional to 158,672.57, 237,892.21 and 75,624.89 is: 113,381.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,672.57 : 237,892.21 = 75,624.89 : x
  2. Step 2: Convert to fraction form
    158,672.57/237,892.21 = 75,624.89/x
  3. Step 3: Cross multiply
    158,672.57x = 237,892.21 × 75,624.89
  4. Step 4: Simplify right side
    158,672.57x = 17,990,572,213.11
  5. Step 5: Solve for x
    x = 17,990,572,213.11/158,672.57
  6. Step 6: Final answer
    x = 113,381.74

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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.