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Finding the Fourth Proportional to 164,593,387.20, 246,890,080.80 and 149,476,843.20

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Solution

The fourth proportional to 164,593,387.20, 246,890,080.80 and 149,476,843.20 is: 224,215,264.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,593,387.20 : 246,890,080.80 = 149,476,843.20 : x
  2. Step 2: Convert to fraction form
    164,593,387.20/246,890,080.80 = 149,476,843.20/x
  3. Step 3: Cross multiply
    164,593,387.20x = 246,890,080.80 × 149,476,843.20
  4. Step 4: Simplify right side
    164,593,387.20x = 36,904,349,895,376,928
  5. Step 5: Solve for x
    x = 36,904,349,895,376,928/164,593,387.20
  6. Step 6: Final answer
    x = 224,215,264.80

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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.