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Finding the Fourth Proportional to 100,562.60, 150,833.10 and 26,690.60

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Solution

The fourth proportional to 100,562.60, 150,833.10 and 26,690.60 is: 40,033.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,562.60 : 150,833.10 = 26,690.60 : x
  2. Step 2: Convert to fraction form
    100,562.60/150,833.10 = 26,690.60/x
  3. Step 3: Cross multiply
    100,562.60x = 150,833.10 × 26,690.60
  4. Step 4: Simplify right side
    100,562.60x = 4,025,825,938.86
  5. Step 5: Solve for x
    x = 4,025,825,938.86/100,562.60
  6. Step 6: Final answer
    x = 40,033.03

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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.