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Finding the Fourth Proportional to 95,588.40, 131,911.56 and 53,144.40

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Solution

The fourth proportional to 95,588.40, 131,911.56 and 53,144.40 is: 73,339.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,588.40 : 131,911.56 = 53,144.40 : x
  2. Step 2: Convert to fraction form
    95,588.40/131,911.56 = 53,144.40/x
  3. Step 3: Cross multiply
    95,588.40x = 131,911.56 × 53,144.40
  4. Step 4: Simplify right side
    95,588.40x = 7,010,360,709.26
  5. Step 5: Solve for x
    x = 7,010,360,709.26/95,588.40
  6. Step 6: Final answer
    x = 73,339.03

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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.