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Finding the Fourth Proportional to 267,866.42, 369,550.44 and 153,083.48

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Solution

The fourth proportional to 267,866.42, 369,550.44 and 153,083.48 is: 211,195.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,866.42 : 369,550.44 = 153,083.48 : x
  2. Step 2: Convert to fraction form
    267,866.42/369,550.44 = 153,083.48/x
  3. Step 3: Cross multiply
    267,866.42x = 369,550.44 × 153,083.48
  4. Step 4: Simplify right side
    267,866.42x = 56,572,067,390.73
  5. Step 5: Solve for x
    x = 56,572,067,390.73/267,866.42
  6. Step 6: Final answer
    x = 211,195.07

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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.