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Finding the Fourth Proportional to 246,772.50, 370,158.78 and 80,560.50

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Solution

The fourth proportional to 246,772.50, 370,158.78 and 80,560.50 is: 120,840.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,772.50 : 370,158.78 = 80,560.50 : x
  2. Step 2: Convert to fraction form
    246,772.50/370,158.78 = 80,560.50/x
  3. Step 3: Cross multiply
    246,772.50x = 370,158.78 × 80,560.50
  4. Step 4: Simplify right side
    246,772.50x = 29,820,176,396.19
  5. Step 5: Solve for x
    x = 29,820,176,396.19/246,772.50
  6. Step 6: Final answer
    x = 120,840.76

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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.