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Finding the Fourth Proportional to 169,485,797.80, 254,228,696.70 and 56,018,405.80

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Solution

The fourth proportional to 169,485,797.80, 254,228,696.70 and 56,018,405.80 is: 84,027,608.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,485,797.80 : 254,228,696.70 = 56,018,405.80 : x
  2. Step 2: Convert to fraction form
    169,485,797.80/254,228,696.70 = 56,018,405.80/x
  3. Step 3: Cross multiply
    169,485,797.80x = 254,228,696.70 × 56,018,405.80
  4. Step 4: Simplify right side
    169,485,797.80x = 14,241,486,297,745,720
  5. Step 5: Solve for x
    x = 14,241,486,297,745,720/169,485,797.80
  6. Step 6: Final answer
    x = 84,027,608.70

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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.