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Finding the Fourth Proportional to 119,432.70, 179,098.02 and 40,511.16

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Solution

The fourth proportional to 119,432.70, 179,098.02 and 40,511.16 is: 60,749.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,432.70 : 179,098.02 = 40,511.16 : x
  2. Step 2: Convert to fraction form
    119,432.70/179,098.02 = 40,511.16/x
  3. Step 3: Cross multiply
    119,432.70x = 179,098.02 × 40,511.16
  4. Step 4: Simplify right side
    119,432.70x = 7,255,468,543.90
  5. Step 5: Solve for x
    x = 7,255,468,543.90/119,432.70
  6. Step 6: Final answer
    x = 60,749.43

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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.