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Finding the Fourth Proportional to 125,013.54, 187,491.14 and 36,243.22

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Solution

The fourth proportional to 125,013.54, 187,491.14 and 36,243.22 is: 54,356.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,013.54 : 187,491.14 = 36,243.22 : x
  2. Step 2: Convert to fraction form
    125,013.54/187,491.14 = 36,243.22/x
  3. Step 3: Cross multiply
    125,013.54x = 187,491.14 × 36,243.22
  4. Step 4: Simplify right side
    125,013.54x = 6,795,282,635.07
  5. Step 5: Solve for x
    x = 6,795,282,635.07/125,013.54
  6. Step 6: Final answer
    x = 54,356.37

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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.