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Finding the Fourth Proportional to 268,040.95, 369,879.69 and 147,181.39

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Solution

The fourth proportional to 268,040.95, 369,879.69 and 147,181.39 is: 203,101.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,040.95 : 369,879.69 = 147,181.39 : x
  2. Step 2: Convert to fraction form
    268,040.95/369,879.69 = 147,181.39/x
  3. Step 3: Cross multiply
    268,040.95x = 369,879.69 × 147,181.39
  4. Step 4: Simplify right side
    268,040.95x = 54,439,406,906.97
  5. Step 5: Solve for x
    x = 54,439,406,906.97/268,040.95
  6. Step 6: Final answer
    x = 203,101.08

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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.