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Finding the Fourth Proportional to 72,184.99, 108,293.87 and 32,753.38

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Solution

The fourth proportional to 72,184.99, 108,293.87 and 32,753.38 is: 49,137.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,184.99 : 108,293.87 = 32,753.38 : x
  2. Step 2: Convert to fraction form
    72,184.99/108,293.87 = 32,753.38/x
  3. Step 3: Cross multiply
    72,184.99x = 108,293.87 × 32,753.38
  4. Step 4: Simplify right side
    72,184.99x = 3,546,990,275.78
  5. Step 5: Solve for x
    x = 3,546,990,275.78/72,184.99
  6. Step 6: Final answer
    x = 49,137.50

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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.