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Finding the Fourth Proportional to 95,588.78, 131,912.08 and 53,144.78

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Solution

The fourth proportional to 95,588.78, 131,912.08 and 53,144.78 is: 73,339.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,588.78 : 131,912.08 = 53,144.78 : x
  2. Step 2: Convert to fraction form
    95,588.78/131,912.08 = 53,144.78/x
  3. Step 3: Cross multiply
    95,588.78x = 131,912.08 × 53,144.78
  4. Step 4: Simplify right side
    95,588.78x = 7,010,437,678.52
  5. Step 5: Solve for x
    x = 7,010,437,678.52/95,588.78
  6. Step 6: Final answer
    x = 73,339.55

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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.