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Finding the Fourth Proportional to 252,906.90, 379,547.37 and 119,787.39

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Solution

The fourth proportional to 252,906.90, 379,547.37 and 119,787.39 is: 179,769.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,906.90 : 379,547.37 = 119,787.39 : x
  2. Step 2: Convert to fraction form
    252,906.90/379,547.37 = 119,787.39/x
  3. Step 3: Cross multiply
    252,906.90x = 379,547.37 × 119,787.39
  4. Step 4: Simplify right side
    252,906.90x = 45,464,988,833.66
  5. Step 5: Solve for x
    x = 45,464,988,833.66/252,906.90
  6. Step 6: Final answer
    x = 179,769.67

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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.