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Finding the Fourth Proportional to 146,738,951.70, 220,108,427.55 and 146,738,951.70

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Solution

The fourth proportional to 146,738,951.70, 220,108,427.55 and 146,738,951.70 is: 220,108,427.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,738,951.70 : 220,108,427.55 = 146,738,951.70 : x
  2. Step 2: Convert to fraction form
    146,738,951.70/220,108,427.55 = 146,738,951.70/x
  3. Step 3: Cross multiply
    146,738,951.70x = 220,108,427.55 × 146,738,951.70
  4. Step 4: Simplify right side
    146,738,951.70x = 32,298,479,919,022,400
  5. Step 5: Solve for x
    x = 32,298,479,919,022,400/146,738,951.70
  6. Step 6: Final answer
    x = 220,108,427.55

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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.