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Finding the Fourth Proportional to 202,096.80, 303,145.20 and 148,952.70

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Solution

The fourth proportional to 202,096.80, 303,145.20 and 148,952.70 is: 223,429.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,096.80 : 303,145.20 = 148,952.70 : x
  2. Step 2: Convert to fraction form
    202,096.80/303,145.20 = 148,952.70/x
  3. Step 3: Cross multiply
    202,096.80x = 303,145.20 × 148,952.70
  4. Step 4: Simplify right side
    202,096.80x = 45,154,296,032.04
  5. Step 5: Solve for x
    x = 45,154,296,032.04/202,096.80
  6. Step 6: Final answer
    x = 223,429.05

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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.