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Finding the Fourth Proportional to 68,374.54, 94,356.66 and 38,159.53

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Solution

The fourth proportional to 68,374.54, 94,356.66 and 38,159.53 is: 52,660.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,374.54 : 94,356.66 = 38,159.53 : x
  2. Step 2: Convert to fraction form
    68,374.54/94,356.66 = 38,159.53/x
  3. Step 3: Cross multiply
    68,374.54x = 94,356.66 × 38,159.53
  4. Step 4: Simplify right side
    68,374.54x = 3,600,605,797.97
  5. Step 5: Solve for x
    x = 3,600,605,797.97/68,374.54
  6. Step 6: Final answer
    x = 52,660.04

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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.