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Finding the Fourth Proportional to 117,652.57, 176,479.35 and 28,906.09

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Solution

The fourth proportional to 117,652.57, 176,479.35 and 28,906.09 is: 43,359.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,652.57 : 176,479.35 = 28,906.09 : x
  2. Step 2: Convert to fraction form
    117,652.57/176,479.35 = 28,906.09/x
  3. Step 3: Cross multiply
    117,652.57x = 176,479.35 × 28,906.09
  4. Step 4: Simplify right side
    117,652.57x = 5,101,327,974.24
  5. Step 5: Solve for x
    x = 5,101,327,974.24/117,652.57
  6. Step 6: Final answer
    x = 43,359.26

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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.