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Finding the Fourth Proportional to 247,016.65, 370,525.11 and 69,523.66

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Solution

The fourth proportional to 247,016.65, 370,525.11 and 69,523.66 is: 104,285.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,016.65 : 370,525.11 = 69,523.66 : x
  2. Step 2: Convert to fraction form
    247,016.65/370,525.11 = 69,523.66/x
  3. Step 3: Cross multiply
    247,016.65x = 370,525.11 × 69,523.66
  4. Step 4: Simplify right side
    247,016.65x = 25,760,261,769.10
  5. Step 5: Solve for x
    x = 25,760,261,769.10/247,016.65
  6. Step 6: Final answer
    x = 104,285.53

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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.