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Finding the Fourth Proportional to 95,162.80, 131,319.49 and 52,718.80

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Solution

The fourth proportional to 95,162.80, 131,319.49 and 52,718.80 is: 72,749.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,162.80 : 131,319.49 = 52,718.80 : x
  2. Step 2: Convert to fraction form
    95,162.80/131,319.49 = 52,718.80/x
  3. Step 3: Cross multiply
    95,162.80x = 131,319.49 × 52,718.80
  4. Step 4: Simplify right side
    95,162.80x = 6,923,005,141.02
  5. Step 5: Solve for x
    x = 6,923,005,141.02/95,162.80
  6. Step 6: Final answer
    x = 72,749.07

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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.