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Finding the Fourth Proportional to 101,470.44, 140,019.67 and 68,698.19

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Solution

The fourth proportional to 101,470.44, 140,019.67 and 68,698.19 is: 94,797.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,470.44 : 140,019.67 = 68,698.19 : x
  2. Step 2: Convert to fraction form
    101,470.44/140,019.67 = 68,698.19/x
  3. Step 3: Cross multiply
    101,470.44x = 140,019.67 × 68,698.19
  4. Step 4: Simplify right side
    101,470.44x = 9,619,097,893.40
  5. Step 5: Solve for x
    x = 9,619,097,893.40/101,470.44
  6. Step 6: Final answer
    x = 94,797.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.