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Finding the Fourth Proportional to 108,373.66, 162,412.76 and 52,209.68

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Solution

The fourth proportional to 108,373.66, 162,412.76 and 52,209.68 is: 78,243.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,373.66 : 162,412.76 = 52,209.68 : x
  2. Step 2: Convert to fraction form
    108,373.66/162,412.76 = 52,209.68/x
  3. Step 3: Cross multiply
    108,373.66x = 162,412.76 × 52,209.68
  4. Step 4: Simplify right side
    108,373.66x = 8,479,517,545.98
  5. Step 5: Solve for x
    x = 8,479,517,545.98/108,373.66
  6. Step 6: Final answer
    x = 78,243.35

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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.