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Finding the Fourth Proportional to 371,959.08, 557,991.18 and 119,180.46

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Solution

The fourth proportional to 371,959.08, 557,991.18 and 119,180.46 is: 178,787.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,959.08 : 557,991.18 = 119,180.46 : x
  2. Step 2: Convert to fraction form
    371,959.08/557,991.18 = 119,180.46/x
  3. Step 3: Cross multiply
    371,959.08x = 557,991.18 × 119,180.46
  4. Step 4: Simplify right side
    371,959.08x = 66,501,645,508.34
  5. Step 5: Solve for x
    x = 66,501,645,508.34/371,959.08
  6. Step 6: Final answer
    x = 178,787.53

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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.