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Finding the Fourth Proportional to 114,043.54, 171,049.11 and 39,162.46

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Solution

The fourth proportional to 114,043.54, 171,049.11 and 39,162.46 is: 58,738.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,043.54 : 171,049.11 = 39,162.46 : x
  2. Step 2: Convert to fraction form
    114,043.54/171,049.11 = 39,162.46/x
  3. Step 3: Cross multiply
    114,043.54x = 171,049.11 × 39,162.46
  4. Step 4: Simplify right side
    114,043.54x = 6,698,703,928.41
  5. Step 5: Solve for x
    x = 6,698,703,928.41/114,043.54
  6. Step 6: Final answer
    x = 58,738.13

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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.