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Finding the Fourth Proportional to 162,487.92, 243,731.52 and 44,176.44

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Solution

The fourth proportional to 162,487.92, 243,731.52 and 44,176.44 is: 66,264.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,487.92 : 243,731.52 = 44,176.44 : x
  2. Step 2: Convert to fraction form
    162,487.92/243,731.52 = 44,176.44/x
  3. Step 3: Cross multiply
    162,487.92x = 243,731.52 × 44,176.44
  4. Step 4: Simplify right side
    162,487.92x = 10,767,190,869.39
  5. Step 5: Solve for x
    x = 10,767,190,869.39/162,487.92
  6. Step 6: Final answer
    x = 66,264.56

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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.