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Finding the Fourth Proportional to 111,591.64, 167,368.98 and 36,712.71

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Solution

The fourth proportional to 111,591.64, 167,368.98 and 36,712.71 is: 55,062.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,591.64 : 167,368.98 = 36,712.71 : x
  2. Step 2: Convert to fraction form
    111,591.64/167,368.98 = 36,712.71/x
  3. Step 3: Cross multiply
    111,591.64x = 167,368.98 × 36,712.71
  4. Step 4: Simplify right side
    111,591.64x = 6,144,568,963.41
  5. Step 5: Solve for x
    x = 6,144,568,963.41/111,591.64
  6. Step 6: Final answer
    x = 55,062.99

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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.