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Finding the Fourth Proportional to 254,684.71, 382,026.60 and 67,696.21

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Solution

The fourth proportional to 254,684.71, 382,026.60 and 67,696.21 is: 101,544.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,684.71 : 382,026.60 = 67,696.21 : x
  2. Step 2: Convert to fraction form
    254,684.71/382,026.60 = 67,696.21/x
  3. Step 3: Cross multiply
    254,684.71x = 382,026.60 × 67,696.21
  4. Step 4: Simplify right side
    254,684.71x = 25,861,752,939.19
  5. Step 5: Solve for x
    x = 25,861,752,939.19/254,684.71
  6. Step 6: Final answer
    x = 101,544.19

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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.