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Finding the Fourth Proportional to 125,936.65, 188,751.88 and 59,298.76

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Solution

The fourth proportional to 125,936.65, 188,751.88 and 59,298.76 is: 88,876.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,936.65 : 188,751.88 = 59,298.76 : x
  2. Step 2: Convert to fraction form
    125,936.65/188,751.88 = 59,298.76/x
  3. Step 3: Cross multiply
    125,936.65x = 188,751.88 × 59,298.76
  4. Step 4: Simplify right side
    125,936.65x = 11,192,751,811.54
  5. Step 5: Solve for x
    x = 11,192,751,811.54/125,936.65
  6. Step 6: Final answer
    x = 88,876.05

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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.