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Finding the Fourth Proportional to 245,171.97, 367,779.12 and 67,679.01

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Solution

The fourth proportional to 245,171.97, 367,779.12 and 67,679.01 is: 101,524.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,171.97 : 367,779.12 = 67,679.01 : x
  2. Step 2: Convert to fraction form
    245,171.97/367,779.12 = 67,679.01/x
  3. Step 3: Cross multiply
    245,171.97x = 367,779.12 × 67,679.01
  4. Step 4: Simplify right side
    245,171.97x = 24,890,926,740.27
  5. Step 5: Solve for x
    x = 24,890,926,740.27/245,171.97
  6. Step 6: Final answer
    x = 101,524.36

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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.