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Finding the Fourth Proportional to 111,394.60, 167,116.20 and 32,502.40

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Solution

The fourth proportional to 111,394.60, 167,116.20 and 32,502.40 is: 48,760.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,394.60 : 167,116.20 = 32,502.40 : x
  2. Step 2: Convert to fraction form
    111,394.60/167,116.20 = 32,502.40/x
  3. Step 3: Cross multiply
    111,394.60x = 167,116.20 × 32,502.40
  4. Step 4: Simplify right side
    111,394.60x = 5,431,677,578.88
  5. Step 5: Solve for x
    x = 5,431,677,578.88/111,394.60
  6. Step 6: Final answer
    x = 48,760.69

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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.