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Finding the Fourth Proportional to 183,611.20, 274,891.20 and 113,015.20

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Solution

The fourth proportional to 183,611.20, 274,891.20 and 113,015.20 is: 169,199.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,611.20 : 274,891.20 = 113,015.20 : x
  2. Step 2: Convert to fraction form
    183,611.20/274,891.20 = 113,015.20/x
  3. Step 3: Cross multiply
    183,611.20x = 274,891.20 × 113,015.20
  4. Step 4: Simplify right side
    183,611.20x = 31,066,883,946.24
  5. Step 5: Solve for x
    x = 31,066,883,946.24/183,611.20
  6. Step 6: Final answer
    x = 169,199.29

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1.5x scale

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.