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Finding the Fourth Proportional to 108,371.71, 162,541.16 and 29,492.09

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Solution

The fourth proportional to 108,371.71, 162,541.16 and 29,492.09 is: 44,233.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,371.71 : 162,541.16 = 29,492.09 : x
  2. Step 2: Convert to fraction form
    108,371.71/162,541.16 = 29,492.09/x
  3. Step 3: Cross multiply
    108,371.71x = 162,541.16 × 29,492.09
  4. Step 4: Simplify right side
    108,371.71x = 4,793,677,559.26
  5. Step 5: Solve for x
    x = 4,793,677,559.26/108,371.71
  6. Step 6: Final answer
    x = 44,233.66

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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.