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Finding the Fourth Proportional to 60,741.36, 91,108.80 and 16,367.40

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Solution

The fourth proportional to 60,741.36, 91,108.80 and 16,367.40 is: 24,550.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,741.36 : 91,108.80 = 16,367.40 : x
  2. Step 2: Convert to fraction form
    60,741.36/91,108.80 = 16,367.40/x
  3. Step 3: Cross multiply
    60,741.36x = 91,108.80 × 16,367.40
  4. Step 4: Simplify right side
    60,741.36x = 1,491,214,173.12
  5. Step 5: Solve for x
    x = 1,491,214,173.12/60,741.36
  6. Step 6: Final answer
    x = 24,550.23

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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.