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Finding the Fourth Proportional to 119,696.97, 179,490.25 and 35,427

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Solution

The fourth proportional to 119,696.97, 179,490.25 and 35,427 is: 53,124.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,696.97 : 179,490.25 = 35,427 : x
  2. Step 2: Convert to fraction form
    119,696.97/179,490.25 = 35,427/x
  3. Step 3: Cross multiply
    119,696.97x = 179,490.25 × 35,427
  4. Step 4: Simplify right side
    119,696.97x = 6,358,801,086.75
  5. Step 5: Solve for x
    x = 6,358,801,086.75/119,696.97
  6. Step 6: Final answer
    x = 53,124.16

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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.