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Finding the Fourth Proportional to 95,452.80, 131,716.80 and 57,724.80

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Solution

The fourth proportional to 95,452.80, 131,716.80 and 57,724.80 is: 79,655.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,452.80 : 131,716.80 = 57,724.80 : x
  2. Step 2: Convert to fraction form
    95,452.80/131,716.80 = 57,724.80/x
  3. Step 3: Cross multiply
    95,452.80x = 131,716.80 × 57,724.80
  4. Step 4: Simplify right side
    95,452.80x = 7,603,325,936.64
  5. Step 5: Solve for x
    x = 7,603,325,936.64/95,452.80
  6. Step 6: Final answer
    x = 79,655.35

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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.