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Finding the Fourth Proportional to 169,744.59, 254,660.13 and 79,769.84

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Solution

The fourth proportional to 169,744.59, 254,660.13 and 79,769.84 is: 119,675.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,744.59 : 254,660.13 = 79,769.84 : x
  2. Step 2: Convert to fraction form
    169,744.59/254,660.13 = 79,769.84/x
  3. Step 3: Cross multiply
    169,744.59x = 254,660.13 × 79,769.84
  4. Step 4: Simplify right side
    169,744.59x = 20,314,196,551.18
  5. Step 5: Solve for x
    x = 20,314,196,551.18/169,744.59
  6. Step 6: Final answer
    x = 119,675.08

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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.