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Finding the Fourth Proportional to 111,446.40, 167,191.20 and 48,266.40

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Solution

The fourth proportional to 111,446.40, 167,191.20 and 48,266.40 is: 72,408.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,446.40 : 167,191.20 = 48,266.40 : x
  2. Step 2: Convert to fraction form
    111,446.40/167,191.20 = 48,266.40/x
  3. Step 3: Cross multiply
    111,446.40x = 167,191.20 × 48,266.40
  4. Step 4: Simplify right side
    111,446.40x = 8,069,717,335.68
  5. Step 5: Solve for x
    x = 8,069,717,335.68/111,446.40
  6. Step 6: Final answer
    x = 72,408.95

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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.