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Finding the Fourth Proportional to 111,568.80, 167,353.20 and 96,016.80

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Solution

The fourth proportional to 111,568.80, 167,353.20 and 96,016.80 is: 144,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,568.80 : 167,353.20 = 96,016.80 : x
  2. Step 2: Convert to fraction form
    111,568.80/167,353.20 = 96,016.80/x
  3. Step 3: Cross multiply
    111,568.80x = 167,353.20 × 96,016.80
  4. Step 4: Simplify right side
    111,568.80x = 16,068,718,733.76
  5. Step 5: Solve for x
    x = 16,068,718,733.76/111,568.80
  6. Step 6: Final answer
    x = 144,025.20

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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.