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Finding the Fourth Proportional to 273,753.78, 410,630.68 and 103,007.60

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Solution

The fourth proportional to 273,753.78, 410,630.68 and 103,007.60 is: 154,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,753.78 : 410,630.68 = 103,007.60 : x
  2. Step 2: Convert to fraction form
    273,753.78/410,630.68 = 103,007.60/x
  3. Step 3: Cross multiply
    273,753.78x = 410,630.68 × 103,007.60
  4. Step 4: Simplify right side
    273,753.78x = 42,298,080,833.17
  5. Step 5: Solve for x
    x = 42,298,080,833.17/273,753.78
  6. Step 6: Final answer
    x = 154,511.40

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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.