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Finding the Fourth Proportional to 247,697.95, 341,827.14 and 134,520.70

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Solution

The fourth proportional to 247,697.95, 341,827.14 and 134,520.70 is: 185,640.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,697.95 : 341,827.14 = 134,520.70 : x
  2. Step 2: Convert to fraction form
    247,697.95/341,827.14 = 134,520.70/x
  3. Step 3: Cross multiply
    247,697.95x = 341,827.14 × 134,520.70
  4. Step 4: Simplify right side
    247,697.95x = 45,982,826,151.80
  5. Step 5: Solve for x
    x = 45,982,826,151.80/247,697.95
  6. Step 6: Final answer
    x = 185,640.72

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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.