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Finding the Fourth Proportional to 109,338,416.80, 164,031,244.80 and 32,669,195.20

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Solution

The fourth proportional to 109,338,416.80, 164,031,244.80 and 32,669,195.20 is: 49,010,850.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,338,416.80 : 164,031,244.80 = 32,669,195.20 : x
  2. Step 2: Convert to fraction form
    109,338,416.80/164,031,244.80 = 32,669,195.20/x
  3. Step 3: Cross multiply
    109,338,416.80x = 164,031,244.80 × 32,669,195.20
  4. Step 4: Simplify right side
    109,338,416.80x = 5,358,768,755,270,185
  5. Step 5: Solve for x
    x = 5,358,768,755,270,185/109,338,416.80
  6. Step 6: Final answer
    x = 49,010,850.09

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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.