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Finding the Fourth Proportional to 270,550.52, 405,561.94 and 112,824.12

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Solution

The fourth proportional to 270,550.52, 405,561.94 and 112,824.12 is: 169,126.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,550.52 : 405,561.94 = 112,824.12 : x
  2. Step 2: Convert to fraction form
    270,550.52/405,561.94 = 112,824.12/x
  3. Step 3: Cross multiply
    270,550.52x = 405,561.94 × 112,824.12
  4. Step 4: Simplify right side
    270,550.52x = 45,757,168,985.99
  5. Step 5: Solve for x
    x = 45,757,168,985.99/270,550.52
  6. Step 6: Final answer
    x = 169,126.15

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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.