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Finding the Fourth Proportional to 136,483,809.80, 204,725,714.70 and 112,250,100.20

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Solution

The fourth proportional to 136,483,809.80, 204,725,714.70 and 112,250,100.20 is: 168,375,150.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,483,809.80 : 204,725,714.70 = 112,250,100.20 : x
  2. Step 2: Convert to fraction form
    136,483,809.80/204,725,714.70 = 112,250,100.20/x
  3. Step 3: Cross multiply
    136,483,809.80x = 204,725,714.70 × 112,250,100.20
  4. Step 4: Simplify right side
    136,483,809.80x = 22,980,481,988,591,612
  5. Step 5: Solve for x
    x = 22,980,481,988,591,612/136,483,809.80
  6. Step 6: Final answer
    x = 168,375,150.30

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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.