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Finding the Fourth Proportional to 372,759.66, 559,081.17 and 123,441.66

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Solution

The fourth proportional to 372,759.66, 559,081.17 and 123,441.66 is: 185,143.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,759.66 : 559,081.17 = 123,441.66 : x
  2. Step 2: Convert to fraction form
    372,759.66/559,081.17 = 123,441.66/x
  3. Step 3: Cross multiply
    372,759.66x = 559,081.17 × 123,441.66
  4. Step 4: Simplify right side
    372,759.66x = 69,013,907,699.54
  5. Step 5: Solve for x
    x = 69,013,907,699.54/372,759.66
  6. Step 6: Final answer
    x = 185,143.18

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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.