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Finding the Fourth Proportional to 34,917,401.20, 52,376,101.80 and 19,800,857.20

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Solution

The fourth proportional to 34,917,401.20, 52,376,101.80 and 19,800,857.20 is: 29,701,285.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,917,401.20 : 52,376,101.80 = 19,800,857.20 : x
  2. Step 2: Convert to fraction form
    34,917,401.20/52,376,101.80 = 19,800,857.20/x
  3. Step 3: Cross multiply
    34,917,401.20x = 52,376,101.80 × 19,800,857.20
  4. Step 4: Simplify right side
    34,917,401.20x = 1,037,091,712,434,462.88
  5. Step 5: Solve for x
    x = 1,037,091,712,434,462.88/34,917,401.20
  6. Step 6: Final answer
    x = 29,701,285.80

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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.