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Finding the Fourth Proportional to 245,178.98, 367,789.62 and 67,686.02

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Solution

The fourth proportional to 245,178.98, 367,789.62 and 67,686.02 is: 101,534.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,178.98 : 367,789.62 = 67,686.02 : x
  2. Step 2: Convert to fraction form
    245,178.98/367,789.62 = 67,686.02/x
  3. Step 3: Cross multiply
    245,178.98x = 367,789.62 × 67,686.02
  4. Step 4: Simplify right side
    245,178.98x = 24,894,215,575.11
  5. Step 5: Solve for x
    x = 24,894,215,575.11/245,178.98
  6. Step 6: Final answer
    x = 101,534.87

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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.