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Finding the Fourth Proportional to 204,851.70, 307,277.55 and 169,859.70

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Solution

The fourth proportional to 204,851.70, 307,277.55 and 169,859.70 is: 254,789.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,851.70 : 307,277.55 = 169,859.70 : x
  2. Step 2: Convert to fraction form
    204,851.70/307,277.55 = 169,859.70/x
  3. Step 3: Cross multiply
    204,851.70x = 307,277.55 × 169,859.70
  4. Step 4: Simplify right side
    204,851.70x = 52,194,072,459.74
  5. Step 5: Solve for x
    x = 52,194,072,459.74/204,851.70
  6. Step 6: Final answer
    x = 254,789.55

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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.