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Finding the Fourth Proportional to 365,797.20, 548,685.49 and 99,560.03

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Solution

The fourth proportional to 365,797.20, 548,685.49 and 99,560.03 is: 149,337.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,797.20 : 548,685.49 = 99,560.03 : x
  2. Step 2: Convert to fraction form
    365,797.20/548,685.49 = 99,560.03/x
  3. Step 3: Cross multiply
    365,797.20x = 548,685.49 × 99,560.03
  4. Step 4: Simplify right side
    365,797.20x = 54,627,140,852.64
  5. Step 5: Solve for x
    x = 54,627,140,852.64/365,797.20
  6. Step 6: Final answer
    x = 149,337.23

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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.