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Finding the Fourth Proportional to 356,191.84, 534,235.44 and 134,524

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Solution

The fourth proportional to 356,191.84, 534,235.44 and 134,524 is: 201,766.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,191.84 : 534,235.44 = 134,524 : x
  2. Step 2: Convert to fraction form
    356,191.84/534,235.44 = 134,524/x
  3. Step 3: Cross multiply
    356,191.84x = 534,235.44 × 134,524
  4. Step 4: Simplify right side
    356,191.84x = 71,867,488,330.56
  5. Step 5: Solve for x
    x = 71,867,488,330.56/356,191.84
  6. Step 6: Final answer
    x = 201,766.24

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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.