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Finding the Fourth Proportional to 79,227, 109,334.13 and 43,416.24

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Solution

The fourth proportional to 79,227, 109,334.13 and 43,416.24 is: 59,914.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,227 : 109,334.13 = 43,416.24 : x
  2. Step 2: Convert to fraction form
    79,227/109,334.13 = 43,416.24/x
  3. Step 3: Cross multiply
    79,227x = 109,334.13 × 43,416.24
  4. Step 4: Simplify right side
    79,227x = 4,746,876,611.19
  5. Step 5: Solve for x
    x = 4,746,876,611.19/79,227
  6. Step 6: Final answer
    x = 59,914.89

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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.