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Finding the Fourth Proportional to 168,851.16, 234,080.16 and 159,862.68

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Solution

The fourth proportional to 168,851.16, 234,080.16 and 159,862.68 is: 221,619.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,851.16 : 234,080.16 = 159,862.68 : x
  2. Step 2: Convert to fraction form
    168,851.16/234,080.16 = 159,862.68/x
  3. Step 3: Cross multiply
    168,851.16x = 234,080.16 × 159,862.68
  4. Step 4: Simplify right side
    168,851.16x = 37,420,681,712.43
  5. Step 5: Solve for x
    x = 37,420,681,712.43/168,851.16
  6. Step 6: Final answer
    x = 221,619.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.