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Finding the Fourth Proportional to 151,505.80, 227,064.30 and 72,449.80

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Solution

The fourth proportional to 151,505.80, 227,064.30 and 72,449.80 is: 108,581.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,505.80 : 227,064.30 = 72,449.80 : x
  2. Step 2: Convert to fraction form
    151,505.80/227,064.30 = 72,449.80/x
  3. Step 3: Cross multiply
    151,505.80x = 227,064.30 × 72,449.80
  4. Step 4: Simplify right side
    151,505.80x = 16,450,763,122.14
  5. Step 5: Solve for x
    x = 16,450,763,122.14/151,505.80
  6. Step 6: Final answer
    x = 108,581.74

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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.