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Finding the Fourth Proportional to 125,093.44, 187,659.60 and 42,006.88

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Solution

The fourth proportional to 125,093.44, 187,659.60 and 42,006.88 is: 63,016.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,093.44 : 187,659.60 = 42,006.88 : x
  2. Step 2: Convert to fraction form
    125,093.44/187,659.60 = 42,006.88/x
  3. Step 3: Cross multiply
    125,093.44x = 187,659.60 × 42,006.88
  4. Step 4: Simplify right side
    125,093.44x = 7,882,993,828.90
  5. Step 5: Solve for x
    x = 7,882,993,828.90/125,093.44
  6. Step 6: Final answer
    x = 63,016.85

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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.