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Finding the Fourth Proportional to 229,022.94, 343,557.96 and 79,263

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Solution

The fourth proportional to 229,022.94, 343,557.96 and 79,263 is: 118,902.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,022.94 : 343,557.96 = 79,263 : x
  2. Step 2: Convert to fraction form
    229,022.94/343,557.96 = 79,263/x
  3. Step 3: Cross multiply
    229,022.94x = 343,557.96 × 79,263
  4. Step 4: Simplify right side
    229,022.94x = 27,231,434,583.48
  5. Step 5: Solve for x
    x = 27,231,434,583.48/229,022.94
  6. Step 6: Final answer
    x = 118,902.65

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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.