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Finding the Fourth Proportional to 108,874.20, 163,283.90 and 38,737.11

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Solution

The fourth proportional to 108,874.20, 163,283.90 and 38,737.11 is: 58,095.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,874.20 : 163,283.90 = 38,737.11 : x
  2. Step 2: Convert to fraction form
    108,874.20/163,283.90 = 38,737.11/x
  3. Step 3: Cross multiply
    108,874.20x = 163,283.90 × 38,737.11
  4. Step 4: Simplify right side
    108,874.20x = 6,325,146,395.53
  5. Step 5: Solve for x
    x = 6,325,146,395.53/108,874.20
  6. Step 6: Final answer
    x = 58,095.92

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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.