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Finding the Fourth Proportional to 133,664,473.20, 200,468,716.20 and 65,556,044.40

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Solution

The fourth proportional to 133,664,473.20, 200,468,716.20 and 65,556,044.40 is: 98,320,337.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,664,473.20 : 200,468,716.20 = 65,556,044.40 : x
  2. Step 2: Convert to fraction form
    133,664,473.20/200,468,716.20 = 65,556,044.40/x
  3. Step 3: Cross multiply
    133,664,473.20x = 200,468,716.20 × 65,556,044.40
  4. Step 4: Simplify right side
    133,664,473.20x = 13,141,936,060,018,198
  5. Step 5: Solve for x
    x = 13,141,936,060,018,198/133,664,473.20
  6. Step 6: Final answer
    x = 98,320,337.08

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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.