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Finding the Fourth Proportional to 159,930.63, 239,375.10 and 117,794.10

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Solution

The fourth proportional to 159,930.63, 239,375.10 and 117,794.10 is: 176,307.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,930.63 : 239,375.10 = 117,794.10 : x
  2. Step 2: Convert to fraction form
    159,930.63/239,375.10 = 117,794.10/x
  3. Step 3: Cross multiply
    159,930.63x = 239,375.10 × 117,794.10
  4. Step 4: Simplify right side
    159,930.63x = 28,196,974,466.91
  5. Step 5: Solve for x
    x = 28,196,974,466.91/159,930.63
  6. Step 6: Final answer
    x = 176,307.53

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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.