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Finding the Fourth Proportional to 125,422.08, 188,134.08 and 31,927.68

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Solution

The fourth proportional to 125,422.08, 188,134.08 and 31,927.68 is: 47,891.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,422.08 : 188,134.08 = 31,927.68 : x
  2. Step 2: Convert to fraction form
    125,422.08/188,134.08 = 31,927.68/x
  3. Step 3: Cross multiply
    125,422.08x = 188,134.08 × 31,927.68
  4. Step 4: Simplify right side
    125,422.08x = 6,006,684,703.33
  5. Step 5: Solve for x
    x = 6,006,684,703.33/125,422.08
  6. Step 6: Final answer
    x = 47,891.76

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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.