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Finding the Fourth Proportional to 159,894,010.30, 239,771,031.45 and 73,603,738.30

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Solution

The fourth proportional to 159,894,010.30, 239,771,031.45 and 73,603,738.30 is: 110,373,391.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,894,010.30 : 239,771,031.45 = 73,603,738.30 : x
  2. Step 2: Convert to fraction form
    159,894,010.30/239,771,031.45 = 73,603,738.30/x
  3. Step 3: Cross multiply
    159,894,010.30x = 239,771,031.45 × 73,603,738.30
  4. Step 4: Simplify right side
    159,894,010.30x = 17,648,044,250,766,868
  5. Step 5: Solve for x
    x = 17,648,044,250,766,868/159,894,010.30
  6. Step 6: Final answer
    x = 110,373,391.83

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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.