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Finding the Fourth Proportional to 200,994,061.60, 301,491,092.40 and 79,825,513.60

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Solution

The fourth proportional to 200,994,061.60, 301,491,092.40 and 79,825,513.60 is: 119,738,270.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,994,061.60 : 301,491,092.40 = 79,825,513.60 : x
  2. Step 2: Convert to fraction form
    200,994,061.60/301,491,092.40 = 79,825,513.60/x
  3. Step 3: Cross multiply
    200,994,061.60x = 301,491,092.40 × 79,825,513.60
  4. Step 4: Simplify right side
    200,994,061.60x = 24,066,681,296,655,052
  5. Step 5: Solve for x
    x = 24,066,681,296,655,052/200,994,061.60
  6. Step 6: Final answer
    x = 119,738,270.40

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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.