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Finding the Fourth Proportional to 169,505.42, 254,299.22 and 51,169.68

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Solution

The fourth proportional to 169,505.42, 254,299.22 and 51,169.68 is: 76,766.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,505.42 : 254,299.22 = 51,169.68 : x
  2. Step 2: Convert to fraction form
    169,505.42/254,299.22 = 51,169.68/x
  3. Step 3: Cross multiply
    169,505.42x = 254,299.22 × 51,169.68
  4. Step 4: Simplify right side
    169,505.42x = 13,012,409,711.65
  5. Step 5: Solve for x
    x = 13,012,409,711.65/169,505.42
  6. Step 6: Final answer
    x = 76,766.92

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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.