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Finding the Fourth Proportional to 482,141.93, 723,154.57 and 127,184.54

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Solution

The fourth proportional to 482,141.93, 723,154.57 and 127,184.54 is: 190,761.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,141.93 : 723,154.57 = 127,184.54 : x
  2. Step 2: Convert to fraction form
    482,141.93/723,154.57 = 127,184.54/x
  3. Step 3: Cross multiply
    482,141.93x = 723,154.57 × 127,184.54
  4. Step 4: Simplify right side
    482,141.93x = 91,974,077,400.61
  5. Step 5: Solve for x
    x = 91,974,077,400.61/482,141.93
  6. Step 6: Final answer
    x = 190,761.42

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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.