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Finding the Fourth Proportional to 108,468.52, 162,686.07 and 29,588.90

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Solution

The fourth proportional to 108,468.52, 162,686.07 and 29,588.90 is: 44,378.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,468.52 : 162,686.07 = 29,588.90 : x
  2. Step 2: Convert to fraction form
    108,468.52/162,686.07 = 29,588.90/x
  3. Step 3: Cross multiply
    108,468.52x = 162,686.07 × 29,588.90
  4. Step 4: Simplify right side
    108,468.52x = 4,813,701,043.19
  5. Step 5: Solve for x
    x = 4,813,701,043.19/108,468.52
  6. Step 6: Final answer
    x = 44,378.79

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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.