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Finding the Fourth Proportional to 73,491.49, 101,468.33 and 49,328.65

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Solution

The fourth proportional to 73,491.49, 101,468.33 and 49,328.65 is: 68,107.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,491.49 : 101,468.33 = 49,328.65 : x
  2. Step 2: Convert to fraction form
    73,491.49/101,468.33 = 49,328.65/x
  3. Step 3: Cross multiply
    73,491.49x = 101,468.33 × 49,328.65
  4. Step 4: Simplify right side
    73,491.49x = 5,005,295,736.65
  5. Step 5: Solve for x
    x = 5,005,295,736.65/73,491.49
  6. Step 6: Final answer
    x = 68,107.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.