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Finding the Fourth Proportional to 62,118.46, 85,720.80 and 35,260.48

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Solution

The fourth proportional to 62,118.46, 85,720.80 and 35,260.48 is: 48,657.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,118.46 : 85,720.80 = 35,260.48 : x
  2. Step 2: Convert to fraction form
    62,118.46/85,720.80 = 35,260.48/x
  3. Step 3: Cross multiply
    62,118.46x = 85,720.80 × 35,260.48
  4. Step 4: Simplify right side
    62,118.46x = 3,022,556,553.98
  5. Step 5: Solve for x
    x = 3,022,556,553.98/62,118.46
  6. Step 6: Final answer
    x = 48,657.94

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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.