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Finding the Fourth Proportional to 299,306.68, 449,034.76 and 88,944.64

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Solution

The fourth proportional to 299,306.68, 449,034.76 and 88,944.64 is: 133,439.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,306.68 : 449,034.76 = 88,944.64 : x
  2. Step 2: Convert to fraction form
    299,306.68/449,034.76 = 88,944.64/x
  3. Step 3: Cross multiply
    299,306.68x = 449,034.76 × 88,944.64
  4. Step 4: Simplify right side
    299,306.68x = 39,939,235,075.69
  5. Step 5: Solve for x
    x = 39,939,235,075.69/299,306.68
  6. Step 6: Final answer
    x = 133,439.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.