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Finding the Fourth Proportional to 73,510.48, 101,454.15 and 71,508.97

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Solution

The fourth proportional to 73,510.48, 101,454.15 and 71,508.97 is: 98,691.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,510.48 : 101,454.15 = 71,508.97 : x
  2. Step 2: Convert to fraction form
    73,510.48/101,454.15 = 71,508.97/x
  3. Step 3: Cross multiply
    73,510.48x = 101,454.15 × 71,508.97
  4. Step 4: Simplify right side
    73,510.48x = 7,254,881,768.73
  5. Step 5: Solve for x
    x = 7,254,881,768.73/73,510.48
  6. Step 6: Final answer
    x = 98,691.80

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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.