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Finding the Fourth Proportional to 68,393.58, 94,308.75 and 44,475.90

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Solution

The fourth proportional to 68,393.58, 94,308.75 and 44,475.90 is: 61,328.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,393.58 : 94,308.75 = 44,475.90 : x
  2. Step 2: Convert to fraction form
    68,393.58/94,308.75 = 44,475.90/x
  3. Step 3: Cross multiply
    68,393.58x = 94,308.75 × 44,475.90
  4. Step 4: Simplify right side
    68,393.58x = 4,194,466,534.13
  5. Step 5: Solve for x
    x = 4,194,466,534.13/68,393.58
  6. Step 6: Final answer
    x = 61,328.37

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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.