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Finding the Fourth Proportional to 235,763.42, 353,648.79 and 131,246.69

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Solution

The fourth proportional to 235,763.42, 353,648.79 and 131,246.69 is: 196,872.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,763.42 : 353,648.79 = 131,246.69 : x
  2. Step 2: Convert to fraction form
    235,763.42/353,648.79 = 131,246.69/x
  3. Step 3: Cross multiply
    235,763.42x = 353,648.79 × 131,246.69
  4. Step 4: Simplify right side
    235,763.42x = 46,415,231,341.76
  5. Step 5: Solve for x
    x = 46,415,231,341.76/235,763.42
  6. Step 6: Final answer
    x = 196,872.07

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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.