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Finding the Fourth Proportional to 86,126.53, 129,069.51 and 41,741.50

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Solution

The fourth proportional to 86,126.53, 129,069.51 and 41,741.50 is: 62,553.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,126.53 : 129,069.51 = 41,741.50 : x
  2. Step 2: Convert to fraction form
    86,126.53/129,069.51 = 41,741.50/x
  3. Step 3: Cross multiply
    86,126.53x = 129,069.51 × 41,741.50
  4. Step 4: Simplify right side
    86,126.53x = 5,387,554,951.67
  5. Step 5: Solve for x
    x = 5,387,554,951.67/86,126.53
  6. Step 6: Final answer
    x = 62,553.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.