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Finding the Fourth Proportional to 229,283.55, 343,940.51 and 79,508.07

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Solution

The fourth proportional to 229,283.55, 343,940.51 and 79,508.07 is: 119,267.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,283.55 : 343,940.51 = 79,508.07 : x
  2. Step 2: Convert to fraction form
    229,283.55/343,940.51 = 79,508.07/x
  3. Step 3: Cross multiply
    229,283.55x = 343,940.51 × 79,508.07
  4. Step 4: Simplify right side
    229,283.55x = 27,346,045,747.38
  5. Step 5: Solve for x
    x = 27,346,045,747.38/229,283.55
  6. Step 6: Final answer
    x = 119,267.37

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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.