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Finding the Fourth Proportional to 247,294.16, 341,266.92 and 134,118.80

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Solution

The fourth proportional to 247,294.16, 341,266.92 and 134,118.80 is: 185,084.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,294.16 : 341,266.92 = 134,118.80 : x
  2. Step 2: Convert to fraction form
    247,294.16/341,266.92 = 134,118.80/x
  3. Step 3: Cross multiply
    247,294.16x = 341,266.92 × 134,118.80
  4. Step 4: Simplify right side
    247,294.16x = 45,770,309,790.10
  5. Step 5: Solve for x
    x = 45,770,309,790.10/247,294.16
  6. Step 6: Final answer
    x = 185,084.48

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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.