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Finding the Fourth Proportional to 133,059,169.20, 199,588,753.80 and 46,796,890.80

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Solution

The fourth proportional to 133,059,169.20, 199,588,753.80 and 46,796,890.80 is: 70,195,336.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,059,169.20 : 199,588,753.80 = 46,796,890.80 : x
  2. Step 2: Convert to fraction form
    133,059,169.20/199,588,753.80 = 46,796,890.80/x
  3. Step 3: Cross multiply
    133,059,169.20x = 199,588,753.80 × 46,796,890.80
  4. Step 4: Simplify right side
    133,059,169.20x = 9,340,133,116,486,686
  5. Step 5: Solve for x
    x = 9,340,133,116,486,686/133,059,169.20
  6. Step 6: Final answer
    x = 70,195,336.20

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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.