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Finding the Fourth Proportional to 268,676.34, 402,868.58 and 133,443.74

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Solution

The fourth proportional to 268,676.34, 402,868.58 and 133,443.74 is: 200,093.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,676.34 : 402,868.58 = 133,443.74 : x
  2. Step 2: Convert to fraction form
    268,676.34/402,868.58 = 133,443.74/x
  3. Step 3: Cross multiply
    268,676.34x = 402,868.58 × 133,443.74
  4. Step 4: Simplify right side
    268,676.34x = 53,760,290,043.69
  5. Step 5: Solve for x
    x = 53,760,290,043.69/268,676.34
  6. Step 6: Final answer
    x = 200,093.13

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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.