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Finding the Fourth Proportional to 71,265.69, 98,357.09 and 41,045.13

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Solution

The fourth proportional to 71,265.69, 98,357.09 and 41,045.13 is: 56,648.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,265.69 : 98,357.09 = 41,045.13 : x
  2. Step 2: Convert to fraction form
    71,265.69/98,357.09 = 41,045.13/x
  3. Step 3: Cross multiply
    71,265.69x = 98,357.09 × 41,045.13
  4. Step 4: Simplify right side
    71,265.69x = 4,037,079,939.96
  5. Step 5: Solve for x
    x = 4,037,079,939.96/71,265.69
  6. Step 6: Final answer
    x = 56,648.29

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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.