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Finding the Fourth Proportional to 95,482.66, 131,769.81 and 65,331.22

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Solution

The fourth proportional to 95,482.66, 131,769.81 and 65,331.22 is: 90,159.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,482.66 : 131,769.81 = 65,331.22 : x
  2. Step 2: Convert to fraction form
    95,482.66/131,769.81 = 65,331.22/x
  3. Step 3: Cross multiply
    95,482.66x = 131,769.81 × 65,331.22
  4. Step 4: Simplify right side
    95,482.66x = 8,608,682,446.47
  5. Step 5: Solve for x
    x = 8,608,682,446.47/95,482.66
  6. Step 6: Final answer
    x = 90,159.64

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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.