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Finding the Fourth Proportional to 167,141.16, 250,546.50 and 61,931.88

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Solution

The fourth proportional to 167,141.16, 250,546.50 and 61,931.88 is: 92,836.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,141.16 : 250,546.50 = 61,931.88 : x
  2. Step 2: Convert to fraction form
    167,141.16/250,546.50 = 61,931.88/x
  3. Step 3: Cross multiply
    167,141.16x = 250,546.50 × 61,931.88
  4. Step 4: Simplify right side
    167,141.16x = 15,516,815,772.42
  5. Step 5: Solve for x
    x = 15,516,815,772.42/167,141.16
  6. Step 6: Final answer
    x = 92,836.59

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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.