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Finding the Fourth Proportional to 68,678.20, 94,745.46 and 44,799.40

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Solution

The fourth proportional to 68,678.20, 94,745.46 and 44,799.40 is: 61,803.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,678.20 : 94,745.46 = 44,799.40 : x
  2. Step 2: Convert to fraction form
    68,678.20/94,745.46 = 44,799.40/x
  3. Step 3: Cross multiply
    68,678.20x = 94,745.46 × 44,799.40
  4. Step 4: Simplify right side
    68,678.20x = 4,244,539,760.72
  5. Step 5: Solve for x
    x = 4,244,539,760.72/68,678.20
  6. Step 6: Final answer
    x = 61,803.31

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1.5x scale

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.