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Finding the Fourth Proportional to 111,423.78, 167,084.64 and 48,214.62

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Solution

The fourth proportional to 111,423.78, 167,084.64 and 48,214.62 is: 72,299.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,423.78 : 167,084.64 = 48,214.62 : x
  2. Step 2: Convert to fraction form
    111,423.78/167,084.64 = 48,214.62/x
  3. Step 3: Cross multiply
    111,423.78x = 167,084.64 × 48,214.62
  4. Step 4: Simplify right side
    111,423.78x = 8,055,922,425.44
  5. Step 5: Solve for x
    x = 8,055,922,425.44/111,423.78
  6. Step 6: Final answer
    x = 72,299.85

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1.5x scale

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.