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Finding the Fourth Proportional to 181,720.73, 272,582.58 and 63,391.88

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Solution

The fourth proportional to 181,720.73, 272,582.58 and 63,391.88 is: 95,088.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,720.73 : 272,582.58 = 63,391.88 : x
  2. Step 2: Convert to fraction form
    181,720.73/272,582.58 = 63,391.88/x
  3. Step 3: Cross multiply
    181,720.73x = 272,582.58 × 63,391.88
  4. Step 4: Simplify right side
    181,720.73x = 17,279,522,201.45
  5. Step 5: Solve for x
    x = 17,279,522,201.45/181,720.73
  6. Step 6: Final answer
    x = 95,088.34

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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.