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Finding the Fourth Proportional to 124,645.86, 186,969.87 and 41,539.86

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Solution

The fourth proportional to 124,645.86, 186,969.87 and 41,539.86 is: 62,310.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,645.86 : 186,969.87 = 41,539.86 : x
  2. Step 2: Convert to fraction form
    124,645.86/186,969.87 = 41,539.86/x
  3. Step 3: Cross multiply
    124,645.86x = 186,969.87 × 41,539.86
  4. Step 4: Simplify right side
    124,645.86x = 7,766,702,224.02
  5. Step 5: Solve for x
    x = 7,766,702,224.02/124,645.86
  6. Step 6: Final answer
    x = 62,310.15

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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.