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Finding the Fourth Proportional to 201,471.20, 301,842.30 and 159,626.60

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Solution

The fourth proportional to 201,471.20, 301,842.30 and 159,626.60 is: 239,151.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,471.20 : 301,842.30 = 159,626.60 : x
  2. Step 2: Convert to fraction form
    201,471.20/301,842.30 = 159,626.60/x
  3. Step 3: Cross multiply
    201,471.20x = 301,842.30 × 159,626.60
  4. Step 4: Simplify right side
    201,471.20x = 48,182,060,085.18
  5. Step 5: Solve for x
    x = 48,182,060,085.18/201,471.20
  6. Step 6: Final answer
    x = 239,151.10

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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.