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Finding the Fourth Proportional to 68,018.46, 101,833.29 and 52,466.46

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Solution

The fourth proportional to 68,018.46, 101,833.29 and 52,466.46 is: 78,549.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,018.46 : 101,833.29 = 52,466.46 : x
  2. Step 2: Convert to fraction form
    68,018.46/101,833.29 = 52,466.46/x
  3. Step 3: Cross multiply
    68,018.46x = 101,833.29 × 52,466.46
  4. Step 4: Simplify right side
    68,018.46x = 5,342,832,236.45
  5. Step 5: Solve for x
    x = 5,342,832,236.45/68,018.46
  6. Step 6: Final answer
    x = 78,549.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.