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Finding the Fourth Proportional to 202,108.30, 303,162.45 and 148,964.20

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Solution

The fourth proportional to 202,108.30, 303,162.45 and 148,964.20 is: 223,446.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,108.30 : 303,162.45 = 148,964.20 : x
  2. Step 2: Convert to fraction form
    202,108.30/303,162.45 = 148,964.20/x
  3. Step 3: Cross multiply
    202,108.30x = 303,162.45 × 148,964.20
  4. Step 4: Simplify right side
    202,108.30x = 45,160,351,834.29
  5. Step 5: Solve for x
    x = 45,160,351,834.29/202,108.30
  6. Step 6: Final answer
    x = 223,446.30

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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.