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Finding the Fourth Proportional to 68,257.93, 94,203.57 and 38,046.01

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Solution

The fourth proportional to 68,257.93, 94,203.57 and 38,046.01 is: 52,507.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,257.93 : 94,203.57 = 38,046.01 : x
  2. Step 2: Convert to fraction form
    68,257.93/94,203.57 = 38,046.01/x
  3. Step 3: Cross multiply
    68,257.93x = 94,203.57 × 38,046.01
  4. Step 4: Simplify right side
    68,257.93x = 3,584,069,966.26
  5. Step 5: Solve for x
    x = 3,584,069,966.26/68,257.93
  6. Step 6: Final answer
    x = 52,507.74

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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.