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Finding the Fourth Proportional to 67,997,097.70, 101,995,646.55 and 49,006,939.30

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Solution

The fourth proportional to 67,997,097.70, 101,995,646.55 and 49,006,939.30 is: 73,510,408.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,997,097.70 : 101,995,646.55 = 49,006,939.30 : x
  2. Step 2: Convert to fraction form
    67,997,097.70/101,995,646.55 = 49,006,939.30/x
  3. Step 3: Cross multiply
    67,997,097.70x = 101,995,646.55 × 49,006,939.30
  4. Step 4: Simplify right side
    67,997,097.70x = 4,998,494,459,340,104
  5. Step 5: Solve for x
    x = 4,998,494,459,340,104/67,997,097.70
  6. Step 6: Final answer
    x = 73,510,408.95

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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.