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Finding the Fourth Proportional to 68,666.94, 103,058.73 and 48,993.66

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Solution

The fourth proportional to 68,666.94, 103,058.73 and 48,993.66 is: 73,532.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,666.94 : 103,058.73 = 48,993.66 : x
  2. Step 2: Convert to fraction form
    68,666.94/103,058.73 = 48,993.66/x
  3. Step 3: Cross multiply
    68,666.94x = 103,058.73 × 48,993.66
  4. Step 4: Simplify right side
    68,666.94x = 5,049,224,377.65
  5. Step 5: Solve for x
    x = 5,049,224,377.65/68,666.94
  6. Step 6: Final answer
    x = 73,532.10

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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.