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Finding the Fourth Proportional to 101,338.39, 151,971.13 and 34,761.25

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Solution

The fourth proportional to 101,338.39, 151,971.13 and 34,761.25 is: 52,129.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,338.39 : 151,971.13 = 34,761.25 : x
  2. Step 2: Convert to fraction form
    101,338.39/151,971.13 = 34,761.25/x
  3. Step 3: Cross multiply
    101,338.39x = 151,971.13 × 34,761.25
  4. Step 4: Simplify right side
    101,338.39x = 5,282,706,442.71
  5. Step 5: Solve for x
    x = 5,282,706,442.71/101,338.39
  6. Step 6: Final answer
    x = 52,129.37

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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.