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Finding the Fourth Proportional to 204,900.60, 307,350.90 and 116,327.10

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Solution

The fourth proportional to 204,900.60, 307,350.90 and 116,327.10 is: 174,490.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,900.60 : 307,350.90 = 116,327.10 : x
  2. Step 2: Convert to fraction form
    204,900.60/307,350.90 = 116,327.10/x
  3. Step 3: Cross multiply
    204,900.60x = 307,350.90 × 116,327.10
  4. Step 4: Simplify right side
    204,900.60x = 35,753,238,879.39
  5. Step 5: Solve for x
    x = 35,753,238,879.39/204,900.60
  6. Step 6: Final answer
    x = 174,490.65

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1.5x scale

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.