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Finding the Fourth Proportional to 179,779.62, 269,599.33 and 67,398.52

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Solution

The fourth proportional to 179,779.62, 269,599.33 and 67,398.52 is: 101,071.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,779.62 : 269,599.33 = 67,398.52 : x
  2. Step 2: Convert to fraction form
    179,779.62/269,599.33 = 67,398.52/x
  3. Step 3: Cross multiply
    179,779.62x = 269,599.33 × 67,398.52
  4. Step 4: Simplify right side
    179,779.62x = 18,170,595,834.99
  5. Step 5: Solve for x
    x = 18,170,595,834.99/179,779.62
  6. Step 6: Final answer
    x = 101,071.50

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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.