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Finding the Fourth Proportional to 68,600.48, 94,711.20 and 52,654.40

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Solution

The fourth proportional to 68,600.48, 94,711.20 and 52,654.40 is: 72,695.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,600.48 : 94,711.20 = 52,654.40 : x
  2. Step 2: Convert to fraction form
    68,600.48/94,711.20 = 52,654.40/x
  3. Step 3: Cross multiply
    68,600.48x = 94,711.20 × 52,654.40
  4. Step 4: Simplify right side
    68,600.48x = 4,986,961,409.28
  5. Step 5: Solve for x
    x = 4,986,961,409.28/68,600.48
  6. Step 6: Final answer
    x = 72,695.72

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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.