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Finding the Fourth Proportional to 68,165.64, 94,044.24 and 39,469.64

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Solution

The fourth proportional to 68,165.64, 94,044.24 and 39,469.64 is: 54,454.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,165.64 : 94,044.24 = 39,469.64 : x
  2. Step 2: Convert to fraction form
    68,165.64/94,044.24 = 39,469.64/x
  3. Step 3: Cross multiply
    68,165.64x = 94,044.24 × 39,469.64
  4. Step 4: Simplify right side
    68,165.64x = 3,711,892,296.87
  5. Step 5: Solve for x
    x = 3,711,892,296.87/68,165.64
  6. Step 6: Final answer
    x = 54,454.01

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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.