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Finding the Fourth Proportional to 221,981,087.80, 332,493,334.80 and 183,717,335.80

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Solution

The fourth proportional to 221,981,087.80, 332,493,334.80 and 183,717,335.80 is: 275,180,152.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,981,087.80 : 332,493,334.80 = 183,717,335.80 : x
  2. Step 2: Convert to fraction form
    221,981,087.80/332,493,334.80 = 183,717,335.80/x
  3. Step 3: Cross multiply
    221,981,087.80x = 332,493,334.80 × 183,717,335.80
  4. Step 4: Simplify right side
    221,981,087.80x = 61,084,789,640,713,432
  5. Step 5: Solve for x
    x = 61,084,789,640,713,432/221,981,087.80
  6. Step 6: Final answer
    x = 275,180,152.72

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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.