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Finding the Fourth Proportional to 181,788.80, 272,695.65 and 61,796.92

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Solution

The fourth proportional to 181,788.80, 272,695.65 and 61,796.92 is: 92,699.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,788.80 : 272,695.65 = 61,796.92 : x
  2. Step 2: Convert to fraction form
    181,788.80/272,695.65 = 61,796.92/x
  3. Step 3: Cross multiply
    181,788.80x = 272,695.65 × 61,796.92
  4. Step 4: Simplify right side
    181,788.80x = 16,851,750,585.66
  5. Step 5: Solve for x
    x = 16,851,750,585.66/181,788.80
  6. Step 6: Final answer
    x = 92,699.61

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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.