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Finding the Fourth Proportional to 155,898.54, 233,754.39 and 71,553.24

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Solution

The fourth proportional to 155,898.54, 233,754.39 and 71,553.24 is: 107,286.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,898.54 : 233,754.39 = 71,553.24 : x
  2. Step 2: Convert to fraction form
    155,898.54/233,754.39 = 71,553.24/x
  3. Step 3: Cross multiply
    155,898.54x = 233,754.39 × 71,553.24
  4. Step 4: Simplify right side
    155,898.54x = 16,725,883,968.72
  5. Step 5: Solve for x
    x = 16,725,883,968.72/155,898.54
  6. Step 6: Final answer
    x = 107,286.98

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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.