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Finding the Fourth Proportional to 125,159.75, 187,718.84 and 45,182.37

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Solution

The fourth proportional to 125,159.75, 187,718.84 and 45,182.37 is: 67,766.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,159.75 : 187,718.84 = 45,182.37 : x
  2. Step 2: Convert to fraction form
    125,159.75/187,718.84 = 45,182.37/x
  3. Step 3: Cross multiply
    125,159.75x = 187,718.84 × 45,182.37
  4. Step 4: Simplify right side
    125,159.75x = 8,481,582,732.32
  5. Step 5: Solve for x
    x = 8,481,582,732.32/125,159.75
  6. Step 6: Final answer
    x = 67,766.06

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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.