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Finding the Fourth Proportional to 183,019.20, 274,528.80 and 154,150.80

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Solution

The fourth proportional to 183,019.20, 274,528.80 and 154,150.80 is: 231,226.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,019.20 : 274,528.80 = 154,150.80 : x
  2. Step 2: Convert to fraction form
    183,019.20/274,528.80 = 154,150.80/x
  3. Step 3: Cross multiply
    183,019.20x = 274,528.80 × 154,150.80
  4. Step 4: Simplify right side
    183,019.20x = 42,318,834,143.04
  5. Step 5: Solve for x
    x = 42,318,834,143.04/183,019.20
  6. Step 6: Final answer
    x = 231,226.20

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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.