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Finding the Fourth Proportional to 108,465, 162,679.14 and 29,560.74

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Solution

The fourth proportional to 108,465, 162,679.14 and 29,560.74 is: 44,336.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,465 : 162,679.14 = 29,560.74 : x
  2. Step 2: Convert to fraction form
    108,465/162,679.14 = 29,560.74/x
  3. Step 3: Cross multiply
    108,465x = 162,679.14 × 29,560.74
  4. Step 4: Simplify right side
    108,465x = 4,808,915,760.96
  5. Step 5: Solve for x
    x = 4,808,915,760.96/108,465
  6. Step 6: Final answer
    x = 44,336.11

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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.