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Finding the Fourth Proportional to 95,613.84, 131,939.28 and 55,330.38

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Solution

The fourth proportional to 95,613.84, 131,939.28 and 55,330.38 is: 76,351.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,613.84 : 131,939.28 = 55,330.38 : x
  2. Step 2: Convert to fraction form
    95,613.84/131,939.28 = 55,330.38/x
  3. Step 3: Cross multiply
    95,613.84x = 131,939.28 × 55,330.38
  4. Step 4: Simplify right side
    95,613.84x = 7,300,250,499.33
  5. Step 5: Solve for x
    x = 7,300,250,499.33/95,613.84
  6. Step 6: Final answer
    x = 76,351.40

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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.