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Finding the Fourth Proportional to 273,343.80, 410,015.70 and 161,369.40

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Solution

The fourth proportional to 273,343.80, 410,015.70 and 161,369.40 is: 242,054.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,343.80 : 410,015.70 = 161,369.40 : x
  2. Step 2: Convert to fraction form
    273,343.80/410,015.70 = 161,369.40/x
  3. Step 3: Cross multiply
    273,343.80x = 410,015.70 × 161,369.40
  4. Step 4: Simplify right side
    273,343.80x = 66,163,987,499.58
  5. Step 5: Solve for x
    x = 66,163,987,499.58/273,343.80
  6. Step 6: Final answer
    x = 242,054.10

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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.