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Finding the Fourth Proportional to 67,423,499.78, 101,135,249.66 and 67,423,499.78

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Solution

The fourth proportional to 67,423,499.78, 101,135,249.66 and 67,423,499.78 is: 101,135,249.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,423,499.78 : 101,135,249.66 = 67,423,499.78 : x
  2. Step 2: Convert to fraction form
    67,423,499.78/101,135,249.66 = 67,423,499.78/x
  3. Step 3: Cross multiply
    67,423,499.78x = 101,135,249.66 × 67,423,499.78
  4. Step 4: Simplify right side
    67,423,499.78x = 6,818,892,482,864,138
  5. Step 5: Solve for x
    x = 6,818,892,482,864,138/67,423,499.78
  6. Step 6: Final answer
    x = 101,135,249.66

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1.5x scale

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.