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Finding the Fourth Proportional to 95,169.64, 131,335.30 and 52,729

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Solution

The fourth proportional to 95,169.64, 131,335.30 and 52,729 is: 72,766.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,169.64 : 131,335.30 = 52,729 : x
  2. Step 2: Convert to fraction form
    95,169.64/131,335.30 = 52,729/x
  3. Step 3: Cross multiply
    95,169.64x = 131,335.30 × 52,729
  4. Step 4: Simplify right side
    95,169.64x = 6,925,179,033.70
  5. Step 5: Solve for x
    x = 6,925,179,033.70/95,169.64
  6. Step 6: Final answer
    x = 72,766.68

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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.