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Finding the Fourth Proportional to 181,580.39, 272,414.29 and 56,921.39

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Solution

The fourth proportional to 181,580.39, 272,414.29 and 56,921.39 is: 85,395.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,580.39 : 272,414.29 = 56,921.39 : x
  2. Step 2: Convert to fraction form
    181,580.39/272,414.29 = 56,921.39/x
  3. Step 3: Cross multiply
    181,580.39x = 272,414.29 × 56,921.39
  4. Step 4: Simplify right side
    181,580.39x = 15,506,200,042.66
  5. Step 5: Solve for x
    x = 15,506,200,042.66/181,580.39
  6. Step 6: Final answer
    x = 85,395.79

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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.