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Finding the Fourth Proportional to 108,599.59, 162,877.51 and 29,721.79

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Solution

The fourth proportional to 108,599.59, 162,877.51 and 29,721.79 is: 44,576.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,599.59 : 162,877.51 = 29,721.79 : x
  2. Step 2: Convert to fraction form
    108,599.59/162,877.51 = 29,721.79/x
  3. Step 3: Cross multiply
    108,599.59x = 162,877.51 × 29,721.79
  4. Step 4: Simplify right side
    108,599.59x = 4,841,011,147.94
  5. Step 5: Solve for x
    x = 4,841,011,147.94/108,599.59
  6. Step 6: Final answer
    x = 44,576.70

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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.