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Finding the Fourth Proportional to 71,871.48, 99,182.63 and 41,674.38

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Solution

The fourth proportional to 71,871.48, 99,182.63 and 41,674.38 is: 57,510.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,871.48 : 99,182.63 = 41,674.38 : x
  2. Step 2: Convert to fraction form
    71,871.48/99,182.63 = 41,674.38/x
  3. Step 3: Cross multiply
    71,871.48x = 99,182.63 × 41,674.38
  4. Step 4: Simplify right side
    71,871.48x = 4,133,374,403.65
  5. Step 5: Solve for x
    x = 4,133,374,403.65/71,871.48
  6. Step 6: Final answer
    x = 57,510.63

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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.