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Finding the Fourth Proportional to 119,770.76, 179,679.26 and 45,893

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Solution

The fourth proportional to 119,770.76, 179,679.26 and 45,893 is: 68,848.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,770.76 : 179,679.26 = 45,893 : x
  2. Step 2: Convert to fraction form
    119,770.76/179,679.26 = 45,893/x
  3. Step 3: Cross multiply
    119,770.76x = 179,679.26 × 45,893
  4. Step 4: Simplify right side
    119,770.76x = 8,246,020,279.18
  5. Step 5: Solve for x
    x = 8,246,020,279.18/119,770.76
  6. Step 6: Final answer
    x = 68,848.36

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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.