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Finding the Fourth Proportional to 179,793.69, 269,810.93 and 74,612.76

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Solution

The fourth proportional to 179,793.69, 269,810.93 and 74,612.76 is: 111,969.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,793.69 : 269,810.93 = 74,612.76 : x
  2. Step 2: Convert to fraction form
    179,793.69/269,810.93 = 74,612.76/x
  3. Step 3: Cross multiply
    179,793.69x = 269,810.93 × 74,612.76
  4. Step 4: Simplify right side
    179,793.69x = 20,131,338,165.47
  5. Step 5: Solve for x
    x = 20,131,338,165.47/179,793.69
  6. Step 6: Final answer
    x = 111,969.10

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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.