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Finding the Fourth Proportional to 68,360.53, 94,311.24 and 42,822.46

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Solution

The fourth proportional to 68,360.53, 94,311.24 and 42,822.46 is: 59,078.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,360.53 : 94,311.24 = 42,822.46 : x
  2. Step 2: Convert to fraction form
    68,360.53/94,311.24 = 42,822.46/x
  3. Step 3: Cross multiply
    68,360.53x = 94,311.24 × 42,822.46
  4. Step 4: Simplify right side
    68,360.53x = 4,038,639,302.45
  5. Step 5: Solve for x
    x = 4,038,639,302.45/68,360.53
  6. Step 6: Final answer
    x = 59,078.53

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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.