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Finding the Fourth Proportional to 229,992.78, 344,820.78 and 108,371.89

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Solution

The fourth proportional to 229,992.78, 344,820.78 and 108,371.89 is: 162,478.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,992.78 : 344,820.78 = 108,371.89 : x
  2. Step 2: Convert to fraction form
    229,992.78/344,820.78 = 108,371.89/x
  3. Step 3: Cross multiply
    229,992.78x = 344,820.78 × 108,371.89
  4. Step 4: Simplify right side
    229,992.78x = 37,368,880,070.90
  5. Step 5: Solve for x
    x = 37,368,880,070.90/229,992.78
  6. Step 6: Final answer
    x = 162,478.49

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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.