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Finding the Fourth Proportional to 372,936.60, 559,404.90 and 106,705.80

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Solution

The fourth proportional to 372,936.60, 559,404.90 and 106,705.80 is: 160,058.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,936.60 : 559,404.90 = 106,705.80 : x
  2. Step 2: Convert to fraction form
    372,936.60/559,404.90 = 106,705.80/x
  3. Step 3: Cross multiply
    372,936.60x = 559,404.90 × 106,705.80
  4. Step 4: Simplify right side
    372,936.60x = 59,691,747,378.42
  5. Step 5: Solve for x
    x = 59,691,747,378.42/372,936.60
  6. Step 6: Final answer
    x = 160,058.70

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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.