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Finding the Fourth Proportional to 240,703.65, 332,176.19 and 131,812.56

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Solution

The fourth proportional to 240,703.65, 332,176.19 and 131,812.56 is: 181,904.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,703.65 : 332,176.19 = 131,812.56 : x
  2. Step 2: Convert to fraction form
    240,703.65/332,176.19 = 131,812.56/x
  3. Step 3: Cross multiply
    240,703.65x = 332,176.19 × 131,812.56
  4. Step 4: Simplify right side
    240,703.65x = 43,784,993,315.88
  5. Step 5: Solve for x
    x = 43,784,993,315.88/240,703.65
  6. Step 6: Final answer
    x = 181,904.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.