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Finding the Fourth Proportional to 127,120.50, 190,680.75 and 44,014.50

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Solution

The fourth proportional to 127,120.50, 190,680.75 and 44,014.50 is: 66,021.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,120.50 : 190,680.75 = 44,014.50 : x
  2. Step 2: Convert to fraction form
    127,120.50/190,680.75 = 44,014.50/x
  3. Step 3: Cross multiply
    127,120.50x = 190,680.75 × 44,014.50
  4. Step 4: Simplify right side
    127,120.50x = 8,392,717,870.88
  5. Step 5: Solve for x
    x = 8,392,717,870.88/127,120.50
  6. Step 6: Final answer
    x = 66,021.75

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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.