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Finding the Fourth Proportional to 262,243.08, 361,841.22 and 153,326.43

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Solution

The fourth proportional to 262,243.08, 361,841.22 and 153,326.43 is: 211,558.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,243.08 : 361,841.22 = 153,326.43 : x
  2. Step 2: Convert to fraction form
    262,243.08/361,841.22 = 153,326.43/x
  3. Step 3: Cross multiply
    262,243.08x = 361,841.22 × 153,326.43
  4. Step 4: Simplify right side
    262,243.08x = 55,479,822,489.44
  5. Step 5: Solve for x
    x = 55,479,822,489.44/262,243.08
  6. Step 6: Final answer
    x = 211,558.77

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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.