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Finding the Fourth Proportional to 68,165.84, 94,044.50 and 39,469.83

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Solution

The fourth proportional to 68,165.84, 94,044.50 and 39,469.83 is: 54,454.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,165.84 : 94,044.50 = 39,469.83 : x
  2. Step 2: Convert to fraction form
    68,165.84/94,044.50 = 39,469.83/x
  3. Step 3: Cross multiply
    68,165.84x = 94,044.50 × 39,469.83
  4. Step 4: Simplify right side
    68,165.84x = 3,711,920,328.76
  5. Step 5: Solve for x
    x = 3,711,920,328.76/68,165.84
  6. Step 6: Final answer
    x = 54,454.26

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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.