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Finding the Fourth Proportional to 79,468.44, 109,470.60 and 68,101.44

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Solution

The fourth proportional to 79,468.44, 109,470.60 and 68,101.44 is: 93,812.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,468.44 : 109,470.60 = 68,101.44 : x
  2. Step 2: Convert to fraction form
    79,468.44/109,470.60 = 68,101.44/x
  3. Step 3: Cross multiply
    79,468.44x = 109,470.60 × 68,101.44
  4. Step 4: Simplify right side
    79,468.44x = 7,455,105,497.66
  5. Step 5: Solve for x
    x = 7,455,105,497.66/79,468.44
  6. Step 6: Final answer
    x = 93,812.15

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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.