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Finding the Fourth Proportional to 68,522.76, 94,654.44 and 51,655.32

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Solution

The fourth proportional to 68,522.76, 94,654.44 and 51,655.32 is: 71,354.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,522.76 : 94,654.44 = 51,655.32 : x
  2. Step 2: Convert to fraction form
    68,522.76/94,654.44 = 51,655.32/x
  3. Step 3: Cross multiply
    68,522.76x = 94,654.44 × 51,655.32
  4. Step 4: Simplify right side
    68,522.76x = 4,889,405,387.62
  5. Step 5: Solve for x
    x = 4,889,405,387.62/68,522.76
  6. Step 6: Final answer
    x = 71,354.47

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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.