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Finding the Fourth Proportional to 70,174.36, 104,359.01 and 67,959.46

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Solution

The fourth proportional to 70,174.36, 104,359.01 and 67,959.46 is: 101,065.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,174.36 : 104,359.01 = 67,959.46 : x
  2. Step 2: Convert to fraction form
    70,174.36/104,359.01 = 67,959.46/x
  3. Step 3: Cross multiply
    70,174.36x = 104,359.01 × 67,959.46
  4. Step 4: Simplify right side
    70,174.36x = 7,092,181,965.73
  5. Step 5: Solve for x
    x = 7,092,181,965.73/70,174.36
  6. Step 6: Final answer
    x = 101,065.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.