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Finding the Fourth Proportional to 72,863.66, 100,551.84 and 41,031.92

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Solution

The fourth proportional to 72,863.66, 100,551.84 and 41,031.92 is: 56,624.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,863.66 : 100,551.84 = 41,031.92 : x
  2. Step 2: Convert to fraction form
    72,863.66/100,551.84 = 41,031.92/x
  3. Step 3: Cross multiply
    72,863.66x = 100,551.84 × 41,031.92
  4. Step 4: Simplify right side
    72,863.66x = 4,125,835,054.73
  5. Step 5: Solve for x
    x = 4,125,835,054.73/72,863.66
  6. Step 6: Final answer
    x = 56,624.04

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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.