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Finding the Fourth Proportional to 86,180.67, 118,928.18 and 48,454.92

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Solution

The fourth proportional to 86,180.67, 118,928.18 and 48,454.92 is: 66,867.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,180.67 : 118,928.18 = 48,454.92 : x
  2. Step 2: Convert to fraction form
    86,180.67/118,928.18 = 48,454.92/x
  3. Step 3: Cross multiply
    86,180.67x = 118,928.18 × 48,454.92
  4. Step 4: Simplify right side
    86,180.67x = 5,762,655,568.78
  5. Step 5: Solve for x
    x = 5,762,655,568.78/86,180.67
  6. Step 6: Final answer
    x = 66,867.15

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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.