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Finding the Fourth Proportional to 136,363.32, 204,535.98 and 65,336.76

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Solution

The fourth proportional to 136,363.32, 204,535.98 and 65,336.76 is: 98,000.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,363.32 : 204,535.98 = 65,336.76 : x
  2. Step 2: Convert to fraction form
    136,363.32/204,535.98 = 65,336.76/x
  3. Step 3: Cross multiply
    136,363.32x = 204,535.98 × 65,336.76
  4. Step 4: Simplify right side
    136,363.32x = 13,363,718,236.62
  5. Step 5: Solve for x
    x = 13,363,718,236.62/136,363.32
  6. Step 6: Final answer
    x = 98,000.83

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1.5x scale

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.