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Finding the Fourth Proportional to 108,463.63, 162,800.65 and 52,343.23

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Solution

The fourth proportional to 108,463.63, 162,800.65 and 52,343.23 is: 78,565.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,463.63 : 162,800.65 = 52,343.23 : x
  2. Step 2: Convert to fraction form
    108,463.63/162,800.65 = 52,343.23/x
  3. Step 3: Cross multiply
    108,463.63x = 162,800.65 × 52,343.23
  4. Step 4: Simplify right side
    108,463.63x = 8,521,511,867.10
  5. Step 5: Solve for x
    x = 8,521,511,867.10/108,463.63
  6. Step 6: Final answer
    x = 78,565.62

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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.