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Finding the Fourth Proportional to 159,578.51, 220,202.45 and 95,034.97

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Solution

The fourth proportional to 159,578.51, 220,202.45 and 95,034.97 is: 131,138.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,578.51 : 220,202.45 = 95,034.97 : x
  2. Step 2: Convert to fraction form
    159,578.51/220,202.45 = 95,034.97/x
  3. Step 3: Cross multiply
    159,578.51x = 220,202.45 × 95,034.97
  4. Step 4: Simplify right side
    159,578.51x = 20,926,933,386.14
  5. Step 5: Solve for x
    x = 20,926,933,386.14/159,578.51
  6. Step 6: Final answer
    x = 131,138.80

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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.