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Finding the Fourth Proportional to 157,366.72, 236,119.85 and 82,469.06

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Solution

The fourth proportional to 157,366.72, 236,119.85 and 82,469.06 is: 123,740.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,366.72 : 236,119.85 = 82,469.06 : x
  2. Step 2: Convert to fraction form
    157,366.72/236,119.85 = 82,469.06/x
  3. Step 3: Cross multiply
    157,366.72x = 236,119.85 × 82,469.06
  4. Step 4: Simplify right side
    157,366.72x = 19,472,581,987.86
  5. Step 5: Solve for x
    x = 19,472,581,987.86/157,366.72
  6. Step 6: Final answer
    x = 123,740.15

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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.