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Finding the Fourth Proportional to 181,720.23, 250,773.89 and 101,146.02

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Solution

The fourth proportional to 181,720.23, 250,773.89 and 101,146.02 is: 139,581.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,720.23 : 250,773.89 = 101,146.02 : x
  2. Step 2: Convert to fraction form
    181,720.23/250,773.89 = 101,146.02/x
  3. Step 3: Cross multiply
    181,720.23x = 250,773.89 × 101,146.02
  4. Step 4: Simplify right side
    181,720.23x = 25,364,780,387.69
  5. Step 5: Solve for x
    x = 25,364,780,387.69/181,720.23
  6. Step 6: Final answer
    x = 139,581.49

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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.