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Finding the Fourth Proportional to 69,882.40, 104,823.60 and 65,727.10

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Solution

The fourth proportional to 69,882.40, 104,823.60 and 65,727.10 is: 98,590.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,882.40 : 104,823.60 = 65,727.10 : x
  2. Step 2: Convert to fraction form
    69,882.40/104,823.60 = 65,727.10/x
  3. Step 3: Cross multiply
    69,882.40x = 104,823.60 × 65,727.10
  4. Step 4: Simplify right side
    69,882.40x = 6,889,751,239.56
  5. Step 5: Solve for x
    x = 6,889,751,239.56/69,882.40
  6. Step 6: Final answer
    x = 98,590.65

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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.