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Finding the Fourth Proportional to 152,162.88, 209,960.28 and 95,650.80

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Solution

The fourth proportional to 152,162.88, 209,960.28 and 95,650.80 is: 131,982.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,162.88 : 209,960.28 = 95,650.80 : x
  2. Step 2: Convert to fraction form
    152,162.88/209,960.28 = 95,650.80/x
  3. Step 3: Cross multiply
    152,162.88x = 209,960.28 × 95,650.80
  4. Step 4: Simplify right side
    152,162.88x = 20,082,868,750.22
  5. Step 5: Solve for x
    x = 20,082,868,750.22/152,162.88
  6. Step 6: Final answer
    x = 131,982.71

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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.