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Finding the Fourth Proportional to 73,539.15, 101,486.31 and 41,709.39

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Solution

The fourth proportional to 73,539.15, 101,486.31 and 41,709.39 is: 57,560.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,539.15 : 101,486.31 = 41,709.39 : x
  2. Step 2: Convert to fraction form
    73,539.15/101,486.31 = 41,709.39/x
  3. Step 3: Cross multiply
    73,539.15x = 101,486.31 × 41,709.39
  4. Step 4: Simplify right side
    73,539.15x = 4,232,932,083.45
  5. Step 5: Solve for x
    x = 4,232,932,083.45/73,539.15
  6. Step 6: Final answer
    x = 57,560.25

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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.