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Finding the Fourth Proportional to 172,374,161.70, 258,561,242.55 and 150,850,801.20

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Solution

The fourth proportional to 172,374,161.70, 258,561,242.55 and 150,850,801.20 is: 226,276,201.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,374,161.70 : 258,561,242.55 = 150,850,801.20 : x
  2. Step 2: Convert to fraction form
    172,374,161.70/258,561,242.55 = 150,850,801.20/x
  3. Step 3: Cross multiply
    172,374,161.70x = 258,561,242.55 × 150,850,801.20
  4. Step 4: Simplify right side
    172,374,161.70x = 39,004,170,597,935,032
  5. Step 5: Solve for x
    x = 39,004,170,597,935,032/172,374,161.70
  6. Step 6: Final answer
    x = 226,276,201.80

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1.5x scale

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.