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Finding the Fourth Proportional to 62,203.26, 85,840.50 and 35,345.78

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Solution

The fourth proportional to 62,203.26, 85,840.50 and 35,345.78 is: 48,777.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,203.26 : 85,840.50 = 35,345.78 : x
  2. Step 2: Convert to fraction form
    62,203.26/85,840.50 = 35,345.78/x
  3. Step 3: Cross multiply
    62,203.26x = 85,840.50 × 35,345.78
  4. Step 4: Simplify right side
    62,203.26x = 3,034,099,428.09
  5. Step 5: Solve for x
    x = 3,034,099,428.09/62,203.26
  6. Step 6: Final answer
    x = 48,777.18

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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.