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Finding the Fourth Proportional to 147,485,121.30, 206,096,532.30 and 147,485,121.30

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Solution

The fourth proportional to 147,485,121.30, 206,096,532.30 and 147,485,121.30 is: 206,096,532.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,485,121.30 : 206,096,532.30 = 147,485,121.30 : x
  2. Step 2: Convert to fraction form
    147,485,121.30/206,096,532.30 = 147,485,121.30/x
  3. Step 3: Cross multiply
    147,485,121.30x = 206,096,532.30 × 147,485,121.30
  4. Step 4: Simplify right side
    147,485,121.30x = 30,396,172,065,774,872
  5. Step 5: Solve for x
    x = 30,396,172,065,774,872/147,485,121.30
  6. Step 6: Final answer
    x = 206,096,532.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.