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Finding the Fourth Proportional to 247,275, 341,239.68 and 134,098.20

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Solution

The fourth proportional to 247,275, 341,239.68 and 134,098.20 is: 185,055.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,275 : 341,239.68 = 134,098.20 : x
  2. Step 2: Convert to fraction form
    247,275/341,239.68 = 134,098.20/x
  3. Step 3: Cross multiply
    247,275x = 341,239.68 × 134,098.20
  4. Step 4: Simplify right side
    247,275x = 45,759,626,856.58
  5. Step 5: Solve for x
    x = 45,759,626,856.58/247,275
  6. Step 6: Final answer
    x = 185,055.61

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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.