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Finding the Fourth Proportional to 68,266.48, 94,163.78 and 45,295.80

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Solution

The fourth proportional to 68,266.48, 94,163.78 and 45,295.80 is: 62,479.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,266.48 : 94,163.78 = 45,295.80 : x
  2. Step 2: Convert to fraction form
    68,266.48/94,163.78 = 45,295.80/x
  3. Step 3: Cross multiply
    68,266.48x = 94,163.78 × 45,295.80
  4. Step 4: Simplify right side
    68,266.48x = 4,265,223,746.12
  5. Step 5: Solve for x
    x = 4,265,223,746.12/68,266.48
  6. Step 6: Final answer
    x = 62,479.03

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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.