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Finding the Fourth Proportional to 102,384,604.20, 153,576,906.30 and 102,384,604.20

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Solution

The fourth proportional to 102,384,604.20, 153,576,906.30 and 102,384,604.20 is: 153,576,906.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,384,604.20 : 153,576,906.30 = 102,384,604.20 : x
  2. Step 2: Convert to fraction form
    102,384,604.20/153,576,906.30 = 102,384,604.20/x
  3. Step 3: Cross multiply
    102,384,604.20x = 153,576,906.30 × 102,384,604.20
  4. Step 4: Simplify right side
    102,384,604.20x = 15,723,910,765,785,988
  5. Step 5: Solve for x
    x = 15,723,910,765,785,988/102,384,604.20
  6. Step 6: Final answer
    x = 153,576,906.30

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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.