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Finding the Fourth Proportional to 117,770.44, 176,618.22 and 38,869.96

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Solution

The fourth proportional to 117,770.44, 176,618.22 and 38,869.96 is: 58,292.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,770.44 : 176,618.22 = 38,869.96 : x
  2. Step 2: Convert to fraction form
    117,770.44/176,618.22 = 38,869.96/x
  3. Step 3: Cross multiply
    117,770.44x = 176,618.22 × 38,869.96
  4. Step 4: Simplify right side
    117,770.44x = 6,865,143,146.67
  5. Step 5: Solve for x
    x = 6,865,143,146.67/117,770.44
  6. Step 6: Final answer
    x = 58,292.58

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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.