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Finding the Fourth Proportional to 108,499.70, 162,749.55 and 93,725.30

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Solution

The fourth proportional to 108,499.70, 162,749.55 and 93,725.30 is: 140,587.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,499.70 : 162,749.55 = 93,725.30 : x
  2. Step 2: Convert to fraction form
    108,499.70/162,749.55 = 93,725.30/x
  3. Step 3: Cross multiply
    108,499.70x = 162,749.55 × 93,725.30
  4. Step 4: Simplify right side
    108,499.70x = 15,253,750,398.62
  5. Step 5: Solve for x
    x = 15,253,750,398.62/108,499.70
  6. Step 6: Final answer
    x = 140,587.95

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Similar ratio
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1.5x scale

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.