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Finding the Fourth Proportional to 221,433,132.45, 332,149,698.68 and 221,433,132.45

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Solution

The fourth proportional to 221,433,132.45, 332,149,698.68 and 221,433,132.45 is: 332,149,698.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,433,132.45 : 332,149,698.68 = 221,433,132.45 : x
  2. Step 2: Convert to fraction form
    221,433,132.45/332,149,698.68 = 221,433,132.45/x
  3. Step 3: Cross multiply
    221,433,132.45x = 332,149,698.68 × 221,433,132.45
  4. Step 4: Simplify right side
    221,433,132.45x = 73,548,948,219,928,864
  5. Step 5: Solve for x
    x = 73,548,948,219,928,864/221,433,132.45
  6. Step 6: Final answer
    x = 332,149,698.68

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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.