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Finding the Fourth Proportional to 22,143,485.90, 33,215,228.85 and 22,143,485.90

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Solution

The fourth proportional to 22,143,485.90, 33,215,228.85 and 22,143,485.90 is: 33,215,228.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143,485.90 : 33,215,228.85 = 22,143,485.90 : x
  2. Step 2: Convert to fraction form
    22,143,485.90/33,215,228.85 = 22,143,485.90/x
  3. Step 3: Cross multiply
    22,143,485.90x = 33,215,228.85 × 22,143,485.90
  4. Step 4: Simplify right side
    22,143,485.90x = 735,500,951,705,248.25
  5. Step 5: Solve for x
    x = 735,500,951,705,248.25/22,143,485.90
  6. Step 6: Final answer
    x = 33,215,228.85

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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.