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Finding the Fourth Proportional to 179,779.01, 269,598.41 and 67,397.96

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Solution

The fourth proportional to 179,779.01, 269,598.41 and 67,397.96 is: 101,070.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,779.01 : 269,598.41 = 67,397.96 : x
  2. Step 2: Convert to fraction form
    179,779.01/269,598.41 = 67,397.96/x
  3. Step 3: Cross multiply
    179,779.01x = 269,598.41 × 67,397.96
  4. Step 4: Simplify right side
    179,779.01x = 18,170,383,190.25
  5. Step 5: Solve for x
    x = 18,170,383,190.25/179,779.01
  6. Step 6: Final answer
    x = 101,070.66

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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.