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Finding the Fourth Proportional to 119,646.72, 179,489.92 and 44,793.28

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Solution

The fourth proportional to 119,646.72, 179,489.92 and 44,793.28 is: 67,197.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,646.72 : 179,489.92 = 44,793.28 : x
  2. Step 2: Convert to fraction form
    119,646.72/179,489.92 = 44,793.28/x
  3. Step 3: Cross multiply
    119,646.72x = 179,489.92 × 44,793.28
  4. Step 4: Simplify right side
    119,646.72x = 8,039,942,243.74
  5. Step 5: Solve for x
    x = 8,039,942,243.74/119,646.72
  6. Step 6: Final answer
    x = 67,197.35

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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.