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Finding the Fourth Proportional to 68,810.48, 94,978.62 and 44,940.86

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Solution

The fourth proportional to 68,810.48, 94,978.62 and 44,940.86 is: 62,031.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,810.48 : 94,978.62 = 44,940.86 : x
  2. Step 2: Convert to fraction form
    68,810.48/94,978.62 = 44,940.86/x
  3. Step 3: Cross multiply
    68,810.48x = 94,978.62 × 44,940.86
  4. Step 4: Simplify right side
    68,810.48x = 4,268,420,864.41
  5. Step 5: Solve for x
    x = 4,268,420,864.41/68,810.48
  6. Step 6: Final answer
    x = 62,031.55

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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.