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Finding the Fourth Proportional to 167,079.78, 250,671.64 and 54,760.98

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Solution

The fourth proportional to 167,079.78, 250,671.64 and 54,760.98 is: 82,158.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,079.78 : 250,671.64 = 54,760.98 : x
  2. Step 2: Convert to fraction form
    167,079.78/250,671.64 = 54,760.98/x
  3. Step 3: Cross multiply
    167,079.78x = 250,671.64 × 54,760.98
  4. Step 4: Simplify right side
    167,079.78x = 13,727,024,664.61
  5. Step 5: Solve for x
    x = 13,727,024,664.61/167,079.78
  6. Step 6: Final answer
    x = 82,158.50

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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.