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Finding the Fourth Proportional to 161,287,908.20, 241,595,939.10 and 161,287,908.20

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Solution

The fourth proportional to 161,287,908.20, 241,595,939.10 and 161,287,908.20 is: 241,595,939.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,287,908.20 : 241,595,939.10 = 161,287,908.20 : x
  2. Step 2: Convert to fraction form
    161,287,908.20/241,595,939.10 = 161,287,908.20/x
  3. Step 3: Cross multiply
    161,287,908.20x = 241,595,939.10 × 161,287,908.20
  4. Step 4: Simplify right side
    161,287,908.20x = 38,966,503,647,053,584
  5. Step 5: Solve for x
    x = 38,966,503,647,053,584/161,287,908.20
  6. Step 6: Final answer
    x = 241,595,939.10

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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.