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Finding the Fourth Proportional to 181,572.33, 272,402.24 and 56,913.33

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Solution

The fourth proportional to 181,572.33, 272,402.24 and 56,913.33 is: 85,383.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,572.33 : 272,402.24 = 56,913.33 : x
  2. Step 2: Convert to fraction form
    181,572.33/272,402.24 = 56,913.33/x
  3. Step 3: Cross multiply
    181,572.33x = 272,402.24 × 56,913.33
  4. Step 4: Simplify right side
    181,572.33x = 15,503,319,314.80
  5. Step 5: Solve for x
    x = 15,503,319,314.80/181,572.33
  6. Step 6: Final answer
    x = 85,383.71

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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.