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Finding the Fourth Proportional to 108,353.01, 162,489.09 and 37,255.53

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Solution

The fourth proportional to 108,353.01, 162,489.09 and 37,255.53 is: 55,869.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,353.01 : 162,489.09 = 37,255.53 : x
  2. Step 2: Convert to fraction form
    108,353.01/162,489.09 = 37,255.53/x
  3. Step 3: Cross multiply
    108,353.01x = 162,489.09 × 37,255.53
  4. Step 4: Simplify right side
    108,353.01x = 6,053,617,167.17
  5. Step 5: Solve for x
    x = 6,053,617,167.17/108,353.01
  6. Step 6: Final answer
    x = 55,869.40

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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.