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Finding the Fourth Proportional to 202,996.20, 304,494.30 and 98,020.20

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Solution

The fourth proportional to 202,996.20, 304,494.30 and 98,020.20 is: 147,030.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,996.20 : 304,494.30 = 98,020.20 : x
  2. Step 2: Convert to fraction form
    202,996.20/304,494.30 = 98,020.20/x
  3. Step 3: Cross multiply
    202,996.20x = 304,494.30 × 98,020.20
  4. Step 4: Simplify right side
    202,996.20x = 29,846,592,184.86
  5. Step 5: Solve for x
    x = 29,846,592,184.86/202,996.20
  6. Step 6: Final answer
    x = 147,030.30

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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.