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Finding the Fourth Proportional to 125,480.60, 188,054.76 and 92,044.13

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Solution

The fourth proportional to 125,480.60, 188,054.76 and 92,044.13 is: 137,944.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,480.60 : 188,054.76 = 92,044.13 : x
  2. Step 2: Convert to fraction form
    125,480.60/188,054.76 = 92,044.13/x
  3. Step 3: Cross multiply
    125,480.60x = 188,054.76 × 92,044.13
  4. Step 4: Simplify right side
    125,480.60x = 17,309,336,776.56
  5. Step 5: Solve for x
    x = 17,309,336,776.56/125,480.60
  6. Step 6: Final answer
    x = 137,944.33

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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.