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Finding the Fourth Proportional to 200,848.55, 301,062.56 and 67,682.79

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Solution

The fourth proportional to 200,848.55, 301,062.56 and 67,682.79 is: 101,453.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,848.55 : 301,062.56 = 67,682.79 : x
  2. Step 2: Convert to fraction form
    200,848.55/301,062.56 = 67,682.79/x
  3. Step 3: Cross multiply
    200,848.55x = 301,062.56 × 67,682.79
  4. Step 4: Simplify right side
    200,848.55x = 20,376,753,686.93
  5. Step 5: Solve for x
    x = 20,376,753,686.93/200,848.55
  6. Step 6: Final answer
    x = 101,453.33

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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.