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Finding the Fourth Proportional to 111,631.68, 167,454.72 and 49,302

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Solution

The fourth proportional to 111,631.68, 167,454.72 and 49,302 is: 73,956.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,631.68 : 167,454.72 = 49,302 : x
  2. Step 2: Convert to fraction form
    111,631.68/167,454.72 = 49,302/x
  3. Step 3: Cross multiply
    111,631.68x = 167,454.72 × 49,302
  4. Step 4: Simplify right side
    111,631.68x = 8,255,852,605.44
  5. Step 5: Solve for x
    x = 8,255,852,605.44/111,631.68
  6. Step 6: Final answer
    x = 73,956.18

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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.