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Finding the Fourth Proportional to 83,893.33, 125,840.01 and 69,071.11

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Solution

The fourth proportional to 83,893.33, 125,840.01 and 69,071.11 is: 103,606.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,893.33 : 125,840.01 = 69,071.11 : x
  2. Step 2: Convert to fraction form
    83,893.33/125,840.01 = 69,071.11/x
  3. Step 3: Cross multiply
    83,893.33x = 125,840.01 × 69,071.11
  4. Step 4: Simplify right side
    83,893.33x = 8,691,909,173.11
  5. Step 5: Solve for x
    x = 8,691,909,173.11/83,893.33
  6. Step 6: Final answer
    x = 103,606.68

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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.