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Finding the Fourth Proportional to 114,479.70, 171,719.55 and 51,299.70

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Solution

The fourth proportional to 114,479.70, 171,719.55 and 51,299.70 is: 76,949.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,479.70 : 171,719.55 = 51,299.70 : x
  2. Step 2: Convert to fraction form
    114,479.70/171,719.55 = 51,299.70/x
  3. Step 3: Cross multiply
    114,479.70x = 171,719.55 × 51,299.70
  4. Step 4: Simplify right side
    114,479.70x = 8,809,161,399.14
  5. Step 5: Solve for x
    x = 8,809,161,399.14/114,479.70
  6. Step 6: Final answer
    x = 76,949.55

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Similar ratio
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1.5x scale

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.