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Finding the Fourth Proportional to 111,598.38, 167,398.47 and 36,723.60

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Solution

The fourth proportional to 111,598.38, 167,398.47 and 36,723.60 is: 55,085.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,598.38 : 167,398.47 = 36,723.60 : x
  2. Step 2: Convert to fraction form
    111,598.38/167,398.47 = 36,723.60/x
  3. Step 3: Cross multiply
    111,598.38x = 167,398.47 × 36,723.60
  4. Step 4: Simplify right side
    111,598.38x = 6,147,474,452.89
  5. Step 5: Solve for x
    x = 6,147,474,452.89/111,598.38
  6. Step 6: Final answer
    x = 55,085.70

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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.