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Finding the Fourth Proportional to 73,411.74, 101,306.34 and 43,198.92

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Solution

The fourth proportional to 73,411.74, 101,306.34 and 43,198.92 is: 59,613.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,411.74 : 101,306.34 = 43,198.92 : x
  2. Step 2: Convert to fraction form
    73,411.74/101,306.34 = 43,198.92/x
  3. Step 3: Cross multiply
    73,411.74x = 101,306.34 × 43,198.92
  4. Step 4: Simplify right side
    73,411.74x = 4,376,324,477.15
  5. Step 5: Solve for x
    x = 4,376,324,477.15/73,411.74
  6. Step 6: Final answer
    x = 59,613.41

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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.