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Finding the Fourth Proportional to 245,791.13, 368,706.69 and 68,298.14

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Solution

The fourth proportional to 245,791.13, 368,706.69 and 68,298.14 is: 102,452.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,791.13 : 368,706.69 = 68,298.14 : x
  2. Step 2: Convert to fraction form
    245,791.13/368,706.69 = 68,298.14/x
  3. Step 3: Cross multiply
    245,791.13x = 368,706.69 × 68,298.14
  4. Step 4: Simplify right side
    245,791.13x = 25,181,982,054.32
  5. Step 5: Solve for x
    x = 25,181,982,054.32/245,791.13
  6. Step 6: Final answer
    x = 102,452.77

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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.