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Finding the Fourth Proportional to 236,294.44, 354,441.66 and 70,081

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Solution

The fourth proportional to 236,294.44, 354,441.66 and 70,081 is: 105,121.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,294.44 : 354,441.66 = 70,081 : x
  2. Step 2: Convert to fraction form
    236,294.44/354,441.66 = 70,081/x
  3. Step 3: Cross multiply
    236,294.44x = 354,441.66 × 70,081
  4. Step 4: Simplify right side
    236,294.44x = 24,839,625,974.46
  5. Step 5: Solve for x
    x = 24,839,625,974.46/236,294.44
  6. Step 6: Final answer
    x = 105,121.50

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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.