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Finding the Fourth Proportional to 169,425.84, 254,221.56 and 119,824.68

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Solution

The fourth proportional to 169,425.84, 254,221.56 and 119,824.68 is: 179,795.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,425.84 : 254,221.56 = 119,824.68 : x
  2. Step 2: Convert to fraction form
    169,425.84/254,221.56 = 119,824.68/x
  3. Step 3: Cross multiply
    169,425.84x = 254,221.56 × 119,824.68
  4. Step 4: Simplify right side
    169,425.84x = 30,462,017,076.10
  5. Step 5: Solve for x
    x = 30,462,017,076.10/169,425.84
  6. Step 6: Final answer
    x = 179,795.58

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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.