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Finding the Fourth Proportional to 111,149.61, 166,740.81 and 32,253.57

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Solution

The fourth proportional to 111,149.61, 166,740.81 and 32,253.57 is: 48,385.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,149.61 : 166,740.81 = 32,253.57 : x
  2. Step 2: Convert to fraction form
    111,149.61/166,740.81 = 32,253.57/x
  3. Step 3: Cross multiply
    111,149.61x = 166,740.81 × 32,253.57
  4. Step 4: Simplify right side
    111,149.61x = 5,377,986,387.19
  5. Step 5: Solve for x
    x = 5,377,986,387.19/111,149.61
  6. Step 6: Final answer
    x = 48,385.11

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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.