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Finding the Fourth Proportional to 181,580.68, 272,414.76 and 56,921.68

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Solution

The fourth proportional to 181,580.68, 272,414.76 and 56,921.68 is: 85,396.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,580.68 : 272,414.76 = 56,921.68 : x
  2. Step 2: Convert to fraction form
    181,580.68/272,414.76 = 56,921.68/x
  3. Step 3: Cross multiply
    181,580.68x = 272,414.76 × 56,921.68
  4. Step 4: Simplify right side
    181,580.68x = 15,506,305,796.00
  5. Step 5: Solve for x
    x = 15,506,305,796.00/181,580.68
  6. Step 6: Final answer
    x = 85,396.23

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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.