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Finding the Fourth Proportional to 108,610.84, 162,916.14 and 29,725.72

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Solution

The fourth proportional to 108,610.84, 162,916.14 and 29,725.72 is: 44,588.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,610.84 : 162,916.14 = 29,725.72 : x
  2. Step 2: Convert to fraction form
    108,610.84/162,916.14 = 29,725.72/x
  3. Step 3: Cross multiply
    108,610.84x = 162,916.14 × 29,725.72
  4. Step 4: Simplify right side
    108,610.84x = 4,842,799,561.12
  5. Step 5: Solve for x
    x = 4,842,799,561.12/108,610.84
  6. Step 6: Final answer
    x = 44,588.55

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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.