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Finding the Fourth Proportional to 68,261.94, 94,201.94 and 38,049.20

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Solution

The fourth proportional to 68,261.94, 94,201.94 and 38,049.20 is: 52,508.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,261.94 : 94,201.94 = 38,049.20 : x
  2. Step 2: Convert to fraction form
    68,261.94/94,201.94 = 38,049.20/x
  3. Step 3: Cross multiply
    68,261.94x = 94,201.94 × 38,049.20
  4. Step 4: Simplify right side
    68,261.94x = 3,584,308,455.45
  5. Step 5: Solve for x
    x = 3,584,308,455.45/68,261.94
  6. Step 6: Final answer
    x = 52,508.15

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1.5x scale

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.