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Finding the Fourth Proportional to 93,522.44, 129,060.20 and 51,081

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Solution

The fourth proportional to 93,522.44, 129,060.20 and 51,081 is: 70,491.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,522.44 : 129,060.20 = 51,081 : x
  2. Step 2: Convert to fraction form
    93,522.44/129,060.20 = 51,081/x
  3. Step 3: Cross multiply
    93,522.44x = 129,060.20 × 51,081
  4. Step 4: Simplify right side
    93,522.44x = 6,592,524,076.20
  5. Step 5: Solve for x
    x = 6,592,524,076.20/93,522.44
  6. Step 6: Final answer
    x = 70,491.36

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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.