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Finding the Fourth Proportional to 75,392.71, 113,092.95 and 19,233.31

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Solution

The fourth proportional to 75,392.71, 113,092.95 and 19,233.31 is: 28,850.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,392.71 : 113,092.95 = 19,233.31 : x
  2. Step 2: Convert to fraction form
    75,392.71/113,092.95 = 19,233.31/x
  3. Step 3: Cross multiply
    75,392.71x = 113,092.95 × 19,233.31
  4. Step 4: Simplify right side
    75,392.71x = 2,175,151,200.70
  5. Step 5: Solve for x
    x = 2,175,151,200.70/75,392.71
  6. Step 6: Final answer
    x = 28,850.95

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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.