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Finding the Fourth Proportional to 168,872,601.83, 232,924,052.84 and 154,978,823.09

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Solution

The fourth proportional to 168,872,601.83, 232,924,052.84 and 154,978,823.09 is: 213,760,522.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,872,601.83 : 232,924,052.84 = 154,978,823.09 : x
  2. Step 2: Convert to fraction form
    168,872,601.83/232,924,052.84 = 154,978,823.09/x
  3. Step 3: Cross multiply
    168,872,601.83x = 232,924,052.84 × 154,978,823.09
  4. Step 4: Simplify right side
    168,872,601.83x = 36,098,295,576,556,664
  5. Step 5: Solve for x
    x = 36,098,295,576,556,664/168,872,601.83
  6. Step 6: Final answer
    x = 213,760,522.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.