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Finding the Fourth Proportional to 67,114.71, 100,669.74 and 17,195.24

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Solution

The fourth proportional to 67,114.71, 100,669.74 and 17,195.24 is: 25,792.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,114.71 : 100,669.74 = 17,195.24 : x
  2. Step 2: Convert to fraction form
    67,114.71/100,669.74 = 17,195.24/x
  3. Step 3: Cross multiply
    67,114.71x = 100,669.74 × 17,195.24
  4. Step 4: Simplify right side
    67,114.71x = 1,731,039,836.69
  5. Step 5: Solve for x
    x = 1,731,039,836.69/67,114.71
  6. Step 6: Final answer
    x = 25,792.26

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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.