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Finding the Fourth Proportional to 68,003.80, 101,795.56 and 67,007.40

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Solution

The fourth proportional to 68,003.80, 101,795.56 and 67,007.40 is: 100,304.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,003.80 : 101,795.56 = 67,007.40 : x
  2. Step 2: Convert to fraction form
    68,003.80/101,795.56 = 67,007.40/x
  3. Step 3: Cross multiply
    68,003.80x = 101,795.56 × 67,007.40
  4. Step 4: Simplify right side
    68,003.80x = 6,821,055,807.14
  5. Step 5: Solve for x
    x = 6,821,055,807.14/68,003.80
  6. Step 6: Final answer
    x = 100,304.04

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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.