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Finding the Fourth Proportional to 269,888.47, 372,443.67 and 149,027.15

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Solution

The fourth proportional to 269,888.47, 372,443.67 and 149,027.15 is: 205,656.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,888.47 : 372,443.67 = 149,027.15 : x
  2. Step 2: Convert to fraction form
    269,888.47/372,443.67 = 149,027.15/x
  3. Step 3: Cross multiply
    269,888.47x = 372,443.67 × 149,027.15
  4. Step 4: Simplify right side
    269,888.47x = 55,504,219,606.75
  5. Step 5: Solve for x
    x = 55,504,219,606.75/269,888.47
  6. Step 6: Final answer
    x = 205,656.14

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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.