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Finding the Fourth Proportional to 101,968.88, 152,928.41 and 38,796.17

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Solution

The fourth proportional to 101,968.88, 152,928.41 and 38,796.17 is: 58,184.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,968.88 : 152,928.41 = 38,796.17 : x
  2. Step 2: Convert to fraction form
    101,968.88/152,928.41 = 38,796.17/x
  3. Step 3: Cross multiply
    101,968.88x = 152,928.41 × 38,796.17
  4. Step 4: Simplify right side
    101,968.88x = 5,933,035,633.57
  5. Step 5: Solve for x
    x = 5,933,035,633.57/101,968.88
  6. Step 6: Final answer
    x = 58,184.77

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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.