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Finding the Fourth Proportional to 68,327.04, 94,335.22 and 42,868.34

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Solution

The fourth proportional to 68,327.04, 94,335.22 and 42,868.34 is: 59,185.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,327.04 : 94,335.22 = 42,868.34 : x
  2. Step 2: Convert to fraction form
    68,327.04/94,335.22 = 42,868.34/x
  3. Step 3: Cross multiply
    68,327.04x = 94,335.22 × 42,868.34
  4. Step 4: Simplify right side
    68,327.04x = 4,043,993,598.92
  5. Step 5: Solve for x
    x = 4,043,993,598.92/68,327.04
  6. Step 6: Final answer
    x = 59,185.85

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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.