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Finding the Fourth Proportional to 164,655,998.40, 246,983,997.60 and 43,487,450.40

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Solution

The fourth proportional to 164,655,998.40, 246,983,997.60 and 43,487,450.40 is: 65,231,175.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,655,998.40 : 246,983,997.60 = 43,487,450.40 : x
  2. Step 2: Convert to fraction form
    164,655,998.40/246,983,997.60 = 43,487,450.40/x
  3. Step 3: Cross multiply
    164,655,998.40x = 246,983,997.60 × 43,487,450.40
  4. Step 4: Simplify right side
    164,655,998.40x = 10,740,704,345,223,718
  5. Step 5: Solve for x
    x = 10,740,704,345,223,718/164,655,998.40
  6. Step 6: Final answer
    x = 65,231,175.60

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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.