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Finding the Fourth Proportional to 269,759.50, 372,268.13 and 148,900.82

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Solution

The fourth proportional to 269,759.50, 372,268.13 and 148,900.82 is: 205,483.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,759.50 : 372,268.13 = 148,900.82 : x
  2. Step 2: Convert to fraction form
    269,759.50/372,268.13 = 148,900.82/x
  3. Step 3: Cross multiply
    269,759.50x = 372,268.13 × 148,900.82
  4. Step 4: Simplify right side
    269,759.50x = 55,431,030,700.98
  5. Step 5: Solve for x
    x = 55,431,030,700.98/269,759.50
  6. Step 6: Final answer
    x = 205,483.14

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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.