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Finding the Fourth Proportional to 111,547.87, 167,286.33 and 36,650.68

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Solution

The fourth proportional to 111,547.87, 167,286.33 and 36,650.68 is: 54,964.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,547.87 : 167,286.33 = 36,650.68 : x
  2. Step 2: Convert to fraction form
    111,547.87/167,286.33 = 36,650.68/x
  3. Step 3: Cross multiply
    111,547.87x = 167,286.33 × 36,650.68
  4. Step 4: Simplify right side
    111,547.87x = 6,131,157,330.99
  5. Step 5: Solve for x
    x = 6,131,157,330.99/111,547.87
  6. Step 6: Final answer
    x = 54,964.36

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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.