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Finding the Fourth Proportional to 125,705.98, 188,559 and 36,959.92

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Solution

The fourth proportional to 125,705.98, 188,559 and 36,959.92 is: 55,439.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,705.98 : 188,559 = 36,959.92 : x
  2. Step 2: Convert to fraction form
    125,705.98/188,559 = 36,959.92/x
  3. Step 3: Cross multiply
    125,705.98x = 188,559 × 36,959.92
  4. Step 4: Simplify right side
    125,705.98x = 6,969,125,555.28
  5. Step 5: Solve for x
    x = 6,969,125,555.28/125,705.98
  6. Step 6: Final answer
    x = 55,439.89

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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.