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Finding the Fourth Proportional to 181,319.96, 250,233.36 and 109,703

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Solution

The fourth proportional to 181,319.96, 250,233.36 and 109,703 is: 151,397.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,319.96 : 250,233.36 = 109,703 : x
  2. Step 2: Convert to fraction form
    181,319.96/250,233.36 = 109,703/x
  3. Step 3: Cross multiply
    181,319.96x = 250,233.36 × 109,703
  4. Step 4: Simplify right side
    181,319.96x = 27,451,350,292.08
  5. Step 5: Solve for x
    x = 27,451,350,292.08/181,319.96
  6. Step 6: Final answer
    x = 151,397.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.