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Finding the Fourth Proportional to 61,255.99, 91,860.21 and 23,811.13

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Solution

The fourth proportional to 61,255.99, 91,860.21 and 23,811.13 is: 35,707.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,255.99 : 91,860.21 = 23,811.13 : x
  2. Step 2: Convert to fraction form
    61,255.99/91,860.21 = 23,811.13/x
  3. Step 3: Cross multiply
    61,255.99x = 91,860.21 × 23,811.13
  4. Step 4: Simplify right side
    61,255.99x = 2,187,295,402.14
  5. Step 5: Solve for x
    x = 2,187,295,402.14/61,255.99
  6. Step 6: Final answer
    x = 35,707.45

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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.