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Finding the Fourth Proportional to 167,340,909.46, 251,011,364.20 and 167,340,909.46

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Solution

The fourth proportional to 167,340,909.46, 251,011,364.20 and 167,340,909.46 is: 251,011,364.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,340,909.46 : 251,011,364.20 = 167,340,909.46 : x
  2. Step 2: Convert to fraction form
    167,340,909.46/251,011,364.20 = 167,340,909.46/x
  3. Step 3: Cross multiply
    167,340,909.46x = 251,011,364.20 × 167,340,909.46
  4. Step 4: Simplify right side
    167,340,909.46x = 42,004,469,970,023,288
  5. Step 5: Solve for x
    x = 42,004,469,970,023,288/167,340,909.46
  6. Step 6: Final answer
    x = 251,011,364.20

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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.