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Finding the Fourth Proportional to 230,007.50, 345,065.87 and 72,236.00

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Solution

The fourth proportional to 230,007.50, 345,065.87 and 72,236.00 is: 108,371.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,007.50 : 345,065.87 = 72,236.00 : x
  2. Step 2: Convert to fraction form
    230,007.50/345,065.87 = 72,236.00/x
  3. Step 3: Cross multiply
    230,007.50x = 345,065.87 × 72,236.00
  4. Step 4: Simplify right side
    230,007.50x = 24,926,179,228.57
  5. Step 5: Solve for x
    x = 24,926,179,228.57/230,007.50
  6. Step 6: Final answer
    x = 108,371.16

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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.