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Finding the Fourth Proportional to 117,630.70, 176,446.05 and 51,102.70

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Solution

The fourth proportional to 117,630.70, 176,446.05 and 51,102.70 is: 76,654.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,630.70 : 176,446.05 = 51,102.70 : x
  2. Step 2: Convert to fraction form
    117,630.70/176,446.05 = 51,102.70/x
  3. Step 3: Cross multiply
    117,630.70x = 176,446.05 × 51,102.70
  4. Step 4: Simplify right side
    117,630.70x = 9,016,869,559.34
  5. Step 5: Solve for x
    x = 9,016,869,559.34/117,630.70
  6. Step 6: Final answer
    x = 76,654.05

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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.