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Finding the Fourth Proportional to 157,693.56, 236,605.92 and 94,635.12

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Solution

The fourth proportional to 157,693.56, 236,605.92 and 94,635.12 is: 141,992.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,693.56 : 236,605.92 = 94,635.12 : x
  2. Step 2: Convert to fraction form
    157,693.56/236,605.92 = 94,635.12/x
  3. Step 3: Cross multiply
    157,693.56x = 236,605.92 × 94,635.12
  4. Step 4: Simplify right side
    157,693.56x = 22,391,229,631.91
  5. Step 5: Solve for x
    x = 22,391,229,631.91/157,693.56
  6. Step 6: Final answer
    x = 141,992.04

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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.