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Finding the Fourth Proportional to 223,669,469.80, 335,304,750.30 and 87,323,141.80

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Solution

The fourth proportional to 223,669,469.80, 335,304,750.30 and 87,323,141.80 is: 130,906,843.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,669,469.80 : 335,304,750.30 = 87,323,141.80 : x
  2. Step 2: Convert to fraction form
    223,669,469.80/335,304,750.30 = 87,323,141.80/x
  3. Step 3: Cross multiply
    223,669,469.80x = 335,304,750.30 × 87,323,141.80
  4. Step 4: Simplify right side
    223,669,469.80x = 29,279,864,256,660,492
  5. Step 5: Solve for x
    x = 29,279,864,256,660,492/223,669,469.80
  6. Step 6: Final answer
    x = 130,906,843.40

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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.