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Finding the Fourth Proportional to 167,070.32, 250,601.31 and 48,742.70

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Solution

The fourth proportional to 167,070.32, 250,601.31 and 48,742.70 is: 73,112.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,070.32 : 250,601.31 = 48,742.70 : x
  2. Step 2: Convert to fraction form
    167,070.32/250,601.31 = 48,742.70/x
  3. Step 3: Cross multiply
    167,070.32x = 250,601.31 × 48,742.70
  4. Step 4: Simplify right side
    167,070.32x = 12,214,984,472.94
  5. Step 5: Solve for x
    x = 12,214,984,472.94/167,070.32
  6. Step 6: Final answer
    x = 73,112.83

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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.