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Finding the Fourth Proportional to 229,927.23, 344,978.63 and 89,696.79

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Solution

The fourth proportional to 229,927.23, 344,978.63 and 89,696.79 is: 134,579.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,927.23 : 344,978.63 = 89,696.79 : x
  2. Step 2: Convert to fraction form
    229,927.23/344,978.63 = 89,696.79/x
  3. Step 3: Cross multiply
    229,927.23x = 344,978.63 × 89,696.79
  4. Step 4: Simplify right side
    229,927.23x = 30,943,473,556.22
  5. Step 5: Solve for x
    x = 30,943,473,556.22/229,927.23
  6. Step 6: Final answer
    x = 134,579.42

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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.