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Finding the Fourth Proportional to 126,706.27, 190,065.72 and 37,951.32

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Solution

The fourth proportional to 126,706.27, 190,065.72 and 37,951.32 is: 56,928.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,706.27 : 190,065.72 = 37,951.32 : x
  2. Step 2: Convert to fraction form
    126,706.27/190,065.72 = 37,951.32/x
  3. Step 3: Cross multiply
    126,706.27x = 190,065.72 × 37,951.32
  4. Step 4: Simplify right side
    126,706.27x = 7,213,244,390.32
  5. Step 5: Solve for x
    x = 7,213,244,390.32/126,706.27
  6. Step 6: Final answer
    x = 56,928.87

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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.