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Finding the Fourth Proportional to 169,591,809.60, 254,387,714.40 and 60,540,116.40

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Solution

The fourth proportional to 169,591,809.60, 254,387,714.40 and 60,540,116.40 is: 90,810,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,591,809.60 : 254,387,714.40 = 60,540,116.40 : x
  2. Step 2: Convert to fraction form
    169,591,809.60/254,387,714.40 = 60,540,116.40/x
  3. Step 3: Cross multiply
    169,591,809.60x = 254,387,714.40 × 60,540,116.40
  4. Step 4: Simplify right side
    169,591,809.60x = 15,400,661,840,505,956
  5. Step 5: Solve for x
    x = 15,400,661,840,505,956/169,591,809.60
  6. Step 6: Final answer
    x = 90,810,174.60

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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.