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Finding the Fourth Proportional to 73,149.96, 100,947.84 and 42,935.88

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Solution

The fourth proportional to 73,149.96, 100,947.84 and 42,935.88 is: 59,252.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,149.96 : 100,947.84 = 42,935.88 : x
  2. Step 2: Convert to fraction form
    73,149.96/100,947.84 = 42,935.88/x
  3. Step 3: Cross multiply
    73,149.96x = 100,947.84 × 42,935.88
  4. Step 4: Simplify right side
    73,149.96x = 4,334,284,344.50
  5. Step 5: Solve for x
    x = 4,334,284,344.50/73,149.96
  6. Step 6: Final answer
    x = 59,252.04

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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.