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Finding the Fourth Proportional to 373,019.50, 559,529.26 and 106,780.96

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Solution

The fourth proportional to 373,019.50, 559,529.26 and 106,780.96 is: 160,171.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,019.50 : 559,529.26 = 106,780.96 : x
  2. Step 2: Convert to fraction form
    373,019.50/559,529.26 = 106,780.96/x
  3. Step 3: Cross multiply
    373,019.50x = 559,529.26 × 106,780.96
  4. Step 4: Simplify right side
    373,019.50x = 59,747,071,530.89
  5. Step 5: Solve for x
    x = 59,747,071,530.89/373,019.50
  6. Step 6: Final answer
    x = 160,171.44

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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.