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Finding the Fourth Proportional to 71,251.55, 98,318.50 and 41,046.65

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Solution

The fourth proportional to 71,251.55, 98,318.50 and 41,046.65 is: 56,639.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,251.55 : 98,318.50 = 41,046.65 : x
  2. Step 2: Convert to fraction form
    71,251.55/98,318.50 = 41,046.65/x
  3. Step 3: Cross multiply
    71,251.55x = 98,318.50 × 41,046.65
  4. Step 4: Simplify right side
    71,251.55x = 4,035,644,852.79
  5. Step 5: Solve for x
    x = 4,035,644,852.79/71,251.55
  6. Step 6: Final answer
    x = 56,639.40

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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.