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Finding the Fourth Proportional to 108,434.70, 162,652.05 and 29,548.80

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Solution

The fourth proportional to 108,434.70, 162,652.05 and 29,548.80 is: 44,323.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,434.70 : 162,652.05 = 29,548.80 : x
  2. Step 2: Convert to fraction form
    108,434.70/162,652.05 = 29,548.80/x
  3. Step 3: Cross multiply
    108,434.70x = 162,652.05 × 29,548.80
  4. Step 4: Simplify right side
    108,434.70x = 4,806,172,895.04
  5. Step 5: Solve for x
    x = 4,806,172,895.04/108,434.70
  6. Step 6: Final answer
    x = 44,323.20

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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.