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Finding the Fourth Proportional to 259,957.92, 358,695 and 151,067.16

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Solution

The fourth proportional to 259,957.92, 358,695 and 151,067.16 is: 208,445.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,957.92 : 358,695 = 151,067.16 : x
  2. Step 2: Convert to fraction form
    259,957.92/358,695 = 151,067.16/x
  3. Step 3: Cross multiply
    259,957.92x = 358,695 × 151,067.16
  4. Step 4: Simplify right side
    259,957.92x = 54,187,034,956.20
  5. Step 5: Solve for x
    x = 54,187,034,956.20/259,957.92
  6. Step 6: Final answer
    x = 208,445.41

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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.