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Finding the Fourth Proportional to 61,240.44, 91,860.60 and 16,867.44

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Solution

The fourth proportional to 61,240.44, 91,860.60 and 16,867.44 is: 25,301.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,240.44 : 91,860.60 = 16,867.44 : x
  2. Step 2: Convert to fraction form
    61,240.44/91,860.60 = 16,867.44/x
  3. Step 3: Cross multiply
    61,240.44x = 91,860.60 × 16,867.44
  4. Step 4: Simplify right side
    61,240.44x = 1,549,453,158.86
  5. Step 5: Solve for x
    x = 1,549,453,158.86/61,240.44
  6. Step 6: Final answer
    x = 25,301.14

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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.