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Finding the Fourth Proportional to 158,920.16, 219,218.14 and 95,221.05

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Solution

The fourth proportional to 158,920.16, 219,218.14 and 95,221.05 is: 131,350.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,920.16 : 219,218.14 = 95,221.05 : x
  2. Step 2: Convert to fraction form
    158,920.16/219,218.14 = 95,221.05/x
  3. Step 3: Cross multiply
    158,920.16x = 219,218.14 × 95,221.05
  4. Step 4: Simplify right side
    158,920.16x = 20,874,181,231.79
  5. Step 5: Solve for x
    x = 20,874,181,231.79/158,920.16
  6. Step 6: Final answer
    x = 131,350.11

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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.