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Finding the Fourth Proportional to 204,283.78, 306,425.67 and 64,053.70

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Solution

The fourth proportional to 204,283.78, 306,425.67 and 64,053.70 is: 96,080.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,283.78 : 306,425.67 = 64,053.70 : x
  2. Step 2: Convert to fraction form
    204,283.78/306,425.67 = 64,053.70/x
  3. Step 3: Cross multiply
    204,283.78x = 306,425.67 × 64,053.70
  4. Step 4: Simplify right side
    204,283.78x = 19,627,697,938.48
  5. Step 5: Solve for x
    x = 19,627,697,938.48/204,283.78
  6. Step 6: Final answer
    x = 96,080.55

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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.