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Finding the Fourth Proportional to 101,766.64, 152,452.32 and 57,257.68

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Solution

The fourth proportional to 101,766.64, 152,452.32 and 57,257.68 is: 85,775.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,766.64 : 152,452.32 = 57,257.68 : x
  2. Step 2: Convert to fraction form
    101,766.64/152,452.32 = 57,257.68/x
  3. Step 3: Cross multiply
    101,766.64x = 152,452.32 × 57,257.68
  4. Step 4: Simplify right side
    101,766.64x = 8,729,066,153.82
  5. Step 5: Solve for x
    x = 8,729,066,153.82/101,766.64
  6. Step 6: Final answer
    x = 85,775.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.