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Finding the Fourth Proportional to 68,062.86, 102,157.47 and 34,806.69

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Solution

The fourth proportional to 68,062.86, 102,157.47 and 34,806.69 is: 52,242.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,062.86 : 102,157.47 = 34,806.69 : x
  2. Step 2: Convert to fraction form
    68,062.86/102,157.47 = 34,806.69/x
  3. Step 3: Cross multiply
    68,062.86x = 102,157.47 × 34,806.69
  4. Step 4: Simplify right side
    68,062.86x = 3,555,763,389.47
  5. Step 5: Solve for x
    x = 3,555,763,389.47/68,062.86
  6. Step 6: Final answer
    x = 52,242.34

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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.