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Finding the Fourth Proportional to 125,493.68, 188,221.04 and 36,726.32

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Solution

The fourth proportional to 125,493.68, 188,221.04 and 36,726.32 is: 55,083.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,493.68 : 188,221.04 = 36,726.32 : x
  2. Step 2: Convert to fraction form
    125,493.68/188,221.04 = 36,726.32/x
  3. Step 3: Cross multiply
    125,493.68x = 188,221.04 × 36,726.32
  4. Step 4: Simplify right side
    125,493.68x = 6,912,666,145.77
  5. Step 5: Solve for x
    x = 6,912,666,145.77/125,493.68
  6. Step 6: Final answer
    x = 55,083.78

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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.