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Finding the Fourth Proportional to 247,394.52, 341,405.08 and 134,217.26

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Solution

The fourth proportional to 247,394.52, 341,405.08 and 134,217.26 is: 185,220.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,394.52 : 341,405.08 = 134,217.26 : x
  2. Step 2: Convert to fraction form
    247,394.52/341,405.08 = 134,217.26/x
  3. Step 3: Cross multiply
    247,394.52x = 341,405.08 × 134,217.26
  4. Step 4: Simplify right side
    247,394.52x = 45,822,454,387.68
  5. Step 5: Solve for x
    x = 45,822,454,387.68/247,394.52
  6. Step 6: Final answer
    x = 185,220.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.