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Finding the Fourth Proportional to 146,644,429.80, 205,876,158 and 146,644,429.80

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Solution

The fourth proportional to 146,644,429.80, 205,876,158 and 146,644,429.80 is: 205,876,158

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,644,429.80 : 205,876,158 = 146,644,429.80 : x
  2. Step 2: Convert to fraction form
    146,644,429.80/205,876,158 = 146,644,429.80/x
  3. Step 3: Cross multiply
    146,644,429.80x = 205,876,158 × 146,644,429.80
  4. Step 4: Simplify right side
    146,644,429.80x = 30,190,591,799,324,712
  5. Step 5: Solve for x
    x = 30,190,591,799,324,712/146,644,429.80
  6. Step 6: Final answer
    x = 205,876,158

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.