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Finding the Fourth Proportional to 181,789.80, 272,697.15 and 61,797.92

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Solution

The fourth proportional to 181,789.80, 272,697.15 and 61,797.92 is: 92,701.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,789.80 : 272,697.15 = 61,797.92 : x
  2. Step 2: Convert to fraction form
    181,789.80/272,697.15 = 61,797.92/x
  3. Step 3: Cross multiply
    181,789.80x = 272,697.15 × 61,797.92
  4. Step 4: Simplify right side
    181,789.80x = 16,852,116,659.93
  5. Step 5: Solve for x
    x = 16,852,116,659.93/181,789.80
  6. Step 6: Final answer
    x = 92,701.11

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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.