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Finding the Fourth Proportional to 127,300.50, 190,950.75 and 44,194.50

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Solution

The fourth proportional to 127,300.50, 190,950.75 and 44,194.50 is: 66,291.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,300.50 : 190,950.75 = 44,194.50 : x
  2. Step 2: Convert to fraction form
    127,300.50/190,950.75 = 44,194.50/x
  3. Step 3: Cross multiply
    127,300.50x = 190,950.75 × 44,194.50
  4. Step 4: Simplify right side
    127,300.50x = 8,438,972,920.88
  5. Step 5: Solve for x
    x = 8,438,972,920.88/127,300.50
  6. Step 6: Final answer
    x = 66,291.75

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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.