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Finding the Fourth Proportional to 111,663.46, 167,494.13 and 45,102.42

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Solution

The fourth proportional to 111,663.46, 167,494.13 and 45,102.42 is: 67,653.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,663.46 : 167,494.13 = 45,102.42 : x
  2. Step 2: Convert to fraction form
    111,663.46/167,494.13 = 45,102.42/x
  3. Step 3: Cross multiply
    111,663.46x = 167,494.13 × 45,102.42
  4. Step 4: Simplify right side
    111,663.46x = 7,554,390,542.42
  5. Step 5: Solve for x
    x = 7,554,390,542.42/111,663.46
  6. Step 6: Final answer
    x = 67,653.20

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Similar ratio
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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.