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Finding the Fourth Proportional to 168,891.10, 233,067.99 and 93,440.14

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Solution

The fourth proportional to 168,891.10, 233,067.99 and 93,440.14 is: 128,946.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,891.10 : 233,067.99 = 93,440.14 : x
  2. Step 2: Convert to fraction form
    168,891.10/233,067.99 = 93,440.14/x
  3. Step 3: Cross multiply
    168,891.10x = 233,067.99 × 93,440.14
  4. Step 4: Simplify right side
    168,891.10x = 21,777,905,615.12
  5. Step 5: Solve for x
    x = 21,777,905,615.12/168,891.10
  6. Step 6: Final answer
    x = 128,946.44

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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.