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Finding the Fourth Proportional to 339,084.33, 508,610.54 and 125,894.66

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Solution

The fourth proportional to 339,084.33, 508,610.54 and 125,894.66 is: 188,836.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,084.33 : 508,610.54 = 125,894.66 : x
  2. Step 2: Convert to fraction form
    339,084.33/508,610.54 = 125,894.66/x
  3. Step 3: Cross multiply
    339,084.33x = 508,610.54 × 125,894.66
  4. Step 4: Simplify right side
    339,084.33x = 64,031,348,777.40
  5. Step 5: Solve for x
    x = 64,031,348,777.40/339,084.33
  6. Step 6: Final answer
    x = 188,836.06

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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.