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Finding the Fourth Proportional to 67,116.71, 100,672.74 and 17,197.22

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Solution

The fourth proportional to 67,116.71, 100,672.74 and 17,197.22 is: 25,795.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,116.71 : 100,672.74 = 17,197.22 : x
  2. Step 2: Convert to fraction form
    67,116.71/100,672.74 = 17,197.22/x
  3. Step 3: Cross multiply
    67,116.71x = 100,672.74 × 17,197.22
  4. Step 4: Simplify right side
    67,116.71x = 1,731,291,257.78
  5. Step 5: Solve for x
    x = 1,731,291,257.78/67,116.71
  6. Step 6: Final answer
    x = 25,795.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.