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Finding the Fourth Proportional to 108,374.66, 162,414.26 and 52,210.68

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Solution

The fourth proportional to 108,374.66, 162,414.26 and 52,210.68 is: 78,244.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,374.66 : 162,414.26 = 52,210.68 : x
  2. Step 2: Convert to fraction form
    108,374.66/162,414.26 = 52,210.68/x
  3. Step 3: Cross multiply
    108,374.66x = 162,414.26 × 52,210.68
  4. Step 4: Simplify right side
    108,374.66x = 8,479,758,956.30
  5. Step 5: Solve for x
    x = 8,479,758,956.30/108,374.66
  6. Step 6: Final answer
    x = 78,244.85

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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.