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Finding the Fourth Proportional to 75,124.67, 103,668.83 and 41,132.53

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Solution

The fourth proportional to 75,124.67, 103,668.83 and 41,132.53 is: 56,761.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,124.67 : 103,668.83 = 41,132.53 : x
  2. Step 2: Convert to fraction form
    75,124.67/103,668.83 = 41,132.53/x
  3. Step 3: Cross multiply
    75,124.67x = 103,668.83 × 41,132.53
  4. Step 4: Simplify right side
    75,124.67x = 4,264,161,054.38
  5. Step 5: Solve for x
    x = 4,264,161,054.38/75,124.67
  6. Step 6: Final answer
    x = 56,761.13

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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.