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Finding the Fourth Proportional to 81,393.92, 112,324.40 and 45,096.14

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Solution

The fourth proportional to 81,393.92, 112,324.40 and 45,096.14 is: 62,233.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,393.92 : 112,324.40 = 45,096.14 : x
  2. Step 2: Convert to fraction form
    81,393.92/112,324.40 = 45,096.14/x
  3. Step 3: Cross multiply
    81,393.92x = 112,324.40 × 45,096.14
  4. Step 4: Simplify right side
    81,393.92x = 5,065,396,867.82
  5. Step 5: Solve for x
    x = 5,065,396,867.82/81,393.92
  6. Step 6: Final answer
    x = 62,233.11

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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.