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Finding the Fourth Proportional to 235,758.66, 353,641.66 and 131,241.94

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Solution

The fourth proportional to 235,758.66, 353,641.66 and 131,241.94 is: 196,864.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,758.66 : 353,641.66 = 131,241.94 : x
  2. Step 2: Convert to fraction form
    235,758.66/353,641.66 = 131,241.94/x
  3. Step 3: Cross multiply
    235,758.66x = 353,641.66 × 131,241.94
  4. Step 4: Simplify right side
    235,758.66x = 46,412,617,523.22
  5. Step 5: Solve for x
    x = 46,412,617,523.22/235,758.66
  6. Step 6: Final answer
    x = 196,864.95

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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.