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Finding the Fourth Proportional to 123,651.52, 185,367.84 and 53,492.56

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Solution

The fourth proportional to 123,651.52, 185,367.84 and 53,492.56 is: 80,191.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,651.52 : 185,367.84 = 53,492.56 : x
  2. Step 2: Convert to fraction form
    123,651.52/185,367.84 = 53,492.56/x
  3. Step 3: Cross multiply
    123,651.52x = 185,367.84 × 53,492.56
  4. Step 4: Simplify right side
    123,651.52x = 9,915,800,303.27
  5. Step 5: Solve for x
    x = 9,915,800,303.27/123,651.52
  6. Step 6: Final answer
    x = 80,191.50

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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.