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Finding the Fourth Proportional to 111,347.22, 167,028.66 and 44,787.72

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Solution

The fourth proportional to 111,347.22, 167,028.66 and 44,787.72 is: 67,184.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,347.22 : 167,028.66 = 44,787.72 : x
  2. Step 2: Convert to fraction form
    111,347.22/167,028.66 = 44,787.72/x
  3. Step 3: Cross multiply
    111,347.22x = 167,028.66 × 44,787.72
  4. Step 4: Simplify right side
    111,347.22x = 7,480,832,856.06
  5. Step 5: Solve for x
    x = 7,480,832,856.06/111,347.22
  6. Step 6: Final answer
    x = 67,184.73

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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.