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Finding the Fourth Proportional to 108,221.99, 149,343.48 and 60,475.73

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Solution

The fourth proportional to 108,221.99, 149,343.48 and 60,475.73 is: 83,454.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,221.99 : 149,343.48 = 60,475.73 : x
  2. Step 2: Convert to fraction form
    108,221.99/149,343.48 = 60,475.73/x
  3. Step 3: Cross multiply
    108,221.99x = 149,343.48 × 60,475.73
  4. Step 4: Simplify right side
    108,221.99x = 9,031,655,227.02
  5. Step 5: Solve for x
    x = 9,031,655,227.02/108,221.99
  6. Step 6: Final answer
    x = 83,454.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.