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Finding the Fourth Proportional to 108,481.55, 162,746.85 and 58,560.57

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Solution

The fourth proportional to 108,481.55, 162,746.85 and 58,560.57 is: 87,854.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,481.55 : 162,746.85 = 58,560.57 : x
  2. Step 2: Convert to fraction form
    108,481.55/162,746.85 = 58,560.57/x
  3. Step 3: Cross multiply
    108,481.55x = 162,746.85 × 58,560.57
  4. Step 4: Simplify right side
    108,481.55x = 9,530,548,301.70
  5. Step 5: Solve for x
    x = 9,530,548,301.70/108,481.55
  6. Step 6: Final answer
    x = 87,854.10

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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.