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Finding the Fourth Proportional to 161,744.80, 242,617.20 and 149,303.20

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Solution

The fourth proportional to 161,744.80, 242,617.20 and 149,303.20 is: 223,954.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,744.80 : 242,617.20 = 149,303.20 : x
  2. Step 2: Convert to fraction form
    161,744.80/242,617.20 = 149,303.20/x
  3. Step 3: Cross multiply
    161,744.80x = 242,617.20 × 149,303.20
  4. Step 4: Simplify right side
    161,744.80x = 36,223,524,335.04
  5. Step 5: Solve for x
    x = 36,223,524,335.04/161,744.80
  6. Step 6: Final answer
    x = 223,954.80

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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.