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Finding the Fourth Proportional to 169,972.73, 255,041.10 and 119,945.10

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Solution

The fourth proportional to 169,972.73, 255,041.10 and 119,945.10 is: 179,975.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,972.73 : 255,041.10 = 119,945.10 : x
  2. Step 2: Convert to fraction form
    169,972.73/255,041.10 = 119,945.10/x
  3. Step 3: Cross multiply
    169,972.73x = 255,041.10 × 119,945.10
  4. Step 4: Simplify right side
    169,972.73x = 30,590,930,243.61
  5. Step 5: Solve for x
    x = 30,590,930,243.61/169,972.73
  6. Step 6: Final answer
    x = 179,975.52

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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.