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Finding the Fourth Proportional to 221,423.10, 332,134.65 and 150,564.30

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Solution

The fourth proportional to 221,423.10, 332,134.65 and 150,564.30 is: 225,846.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,423.10 : 332,134.65 = 150,564.30 : x
  2. Step 2: Convert to fraction form
    221,423.10/332,134.65 = 150,564.30/x
  3. Step 3: Cross multiply
    221,423.10x = 332,134.65 × 150,564.30
  4. Step 4: Simplify right side
    221,423.10x = 50,007,621,083.00
  5. Step 5: Solve for x
    x = 50,007,621,083.00/221,423.10
  6. Step 6: Final answer
    x = 225,846.45

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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.