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Finding the Fourth Proportional to 294,092.50, 441,138.75 and 72,476.50

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Solution

The fourth proportional to 294,092.50, 441,138.75 and 72,476.50 is: 108,714.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,092.50 : 441,138.75 = 72,476.50 : x
  2. Step 2: Convert to fraction form
    294,092.50/441,138.75 = 72,476.50/x
  3. Step 3: Cross multiply
    294,092.50x = 441,138.75 × 72,476.50
  4. Step 4: Simplify right side
    294,092.50x = 31,972,192,614.38
  5. Step 5: Solve for x
    x = 31,972,192,614.38/294,092.50
  6. Step 6: Final answer
    x = 108,714.75

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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.