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Finding the Fourth Proportional to 111,595.76, 167,375.16 and 36,716.84

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Solution

The fourth proportional to 111,595.76, 167,375.16 and 36,716.84 is: 55,069.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,595.76 : 167,375.16 = 36,716.84 : x
  2. Step 2: Convert to fraction form
    111,595.76/167,375.16 = 36,716.84/x
  3. Step 3: Cross multiply
    111,595.76x = 167,375.16 × 36,716.84
  4. Step 4: Simplify right side
    111,595.76x = 6,145,486,132.82
  5. Step 5: Solve for x
    x = 6,145,486,132.82/111,595.76
  6. Step 6: Final answer
    x = 55,069.17

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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.