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Finding the Fourth Proportional to 111,487.62, 167,256.96 and 48,318.33

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Solution

The fourth proportional to 111,487.62, 167,256.96 and 48,318.33 is: 72,488.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,487.62 : 167,256.96 = 48,318.33 : x
  2. Step 2: Convert to fraction form
    111,487.62/167,256.96 = 48,318.33/x
  3. Step 3: Cross multiply
    111,487.62x = 167,256.96 × 48,318.33
  4. Step 4: Simplify right side
    111,487.62x = 8,081,576,988.08
  5. Step 5: Solve for x
    x = 8,081,576,988.08/111,487.62
  6. Step 6: Final answer
    x = 72,488.56

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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.