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Finding the Fourth Proportional to 269,803.17, 372,326.29 and 148,944.62

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Solution

The fourth proportional to 269,803.17, 372,326.29 and 148,944.62 is: 205,542.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,803.17 : 372,326.29 = 148,944.62 : x
  2. Step 2: Convert to fraction form
    269,803.17/372,326.29 = 148,944.62/x
  3. Step 3: Cross multiply
    269,803.17x = 372,326.29 × 148,944.62
  4. Step 4: Simplify right side
    269,803.17x = 55,455,998,338.51
  5. Step 5: Solve for x
    x = 55,455,998,338.51/269,803.17
  6. Step 6: Final answer
    x = 205,542.43

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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.