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Finding the Fourth Proportional to 79,862.55, 119,793.83 and 73,411.35

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Solution

The fourth proportional to 79,862.55, 119,793.83 and 73,411.35 is: 110,117.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,862.55 : 119,793.83 = 73,411.35 : x
  2. Step 2: Convert to fraction form
    79,862.55/119,793.83 = 73,411.35/x
  3. Step 3: Cross multiply
    79,862.55x = 119,793.83 × 73,411.35
  4. Step 4: Simplify right side
    79,862.55x = 8,794,226,414.91
  5. Step 5: Solve for x
    x = 8,794,226,414.91/79,862.55
  6. Step 6: Final answer
    x = 110,117.03

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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.