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Finding the Fourth Proportional to 167,015.07, 250,519.05 and 40,655.97

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Solution

The fourth proportional to 167,015.07, 250,519.05 and 40,655.97 is: 60,983.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,015.07 : 250,519.05 = 40,655.97 : x
  2. Step 2: Convert to fraction form
    167,015.07/250,519.05 = 40,655.97/x
  3. Step 3: Cross multiply
    167,015.07x = 250,519.05 × 40,655.97
  4. Step 4: Simplify right side
    167,015.07x = 10,185,094,981.23
  5. Step 5: Solve for x
    x = 10,185,094,981.23/167,015.07
  6. Step 6: Final answer
    x = 60,983.09

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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.