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Finding the Fourth Proportional to 125,010.54, 187,486.65 and 36,240.21

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Solution

The fourth proportional to 125,010.54, 187,486.65 and 36,240.21 is: 54,351.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,010.54 : 187,486.65 = 36,240.21 : x
  2. Step 2: Convert to fraction form
    125,010.54/187,486.65 = 36,240.21/x
  3. Step 3: Cross multiply
    125,010.54x = 187,486.65 × 36,240.21
  4. Step 4: Simplify right side
    125,010.54x = 6,794,555,568.20
  5. Step 5: Solve for x
    x = 6,794,555,568.20/125,010.54
  6. Step 6: Final answer
    x = 54,351.86

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1.5x scale

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.