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Finding the Fourth Proportional to 167,139.72, 250,727.10 and 48,811.38

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Solution

The fourth proportional to 167,139.72, 250,727.10 and 48,811.38 is: 73,222.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,139.72 : 250,727.10 = 48,811.38 : x
  2. Step 2: Convert to fraction form
    167,139.72/250,727.10 = 48,811.38/x
  3. Step 3: Cross multiply
    167,139.72x = 250,727.10 × 48,811.38
  4. Step 4: Simplify right side
    167,139.72x = 12,238,335,754.40
  5. Step 5: Solve for x
    x = 12,238,335,754.40/167,139.72
  6. Step 6: Final answer
    x = 73,222.19

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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.