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Finding the Fourth Proportional to 165,040,900.70, 247,023,267.03 and 165,040,900.70

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Solution

The fourth proportional to 165,040,900.70, 247,023,267.03 and 165,040,900.70 is: 247,023,267.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,040,900.70 : 247,023,267.03 = 165,040,900.70 : x
  2. Step 2: Convert to fraction form
    165,040,900.70/247,023,267.03 = 165,040,900.70/x
  3. Step 3: Cross multiply
    165,040,900.70x = 247,023,267.03 × 165,040,900.70
  4. Step 4: Simplify right side
    165,040,900.70x = 40,768,942,484,487,808
  5. Step 5: Solve for x
    x = 40,768,942,484,487,808/165,040,900.70
  6. Step 6: Final answer
    x = 247,023,267.03

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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.