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Finding the Fourth Proportional to 183,007.20, 274,510.80 and 154,138.80

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Solution

The fourth proportional to 183,007.20, 274,510.80 and 154,138.80 is: 231,208.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,007.20 : 274,510.80 = 154,138.80 : x
  2. Step 2: Convert to fraction form
    183,007.20/274,510.80 = 154,138.80/x
  3. Step 3: Cross multiply
    183,007.20x = 274,510.80 × 154,138.80
  4. Step 4: Simplify right side
    183,007.20x = 42,312,765,299.04
  5. Step 5: Solve for x
    x = 42,312,765,299.04/183,007.20
  6. Step 6: Final answer
    x = 231,208.20

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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.