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Finding the Fourth Proportional to 111,157.91, 166,752.90 and 36,259.53

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Solution

The fourth proportional to 111,157.91, 166,752.90 and 36,259.53 is: 54,394.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,157.91 : 166,752.90 = 36,259.53 : x
  2. Step 2: Convert to fraction form
    111,157.91/166,752.90 = 36,259.53/x
  3. Step 3: Cross multiply
    111,157.91x = 166,752.90 × 36,259.53
  4. Step 4: Simplify right side
    111,157.91x = 6,046,381,780.14
  5. Step 5: Solve for x
    x = 6,046,381,780.14/111,157.91
  6. Step 6: Final answer
    x = 54,394.53

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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.