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Finding the Fourth Proportional to 183,551,998.80, 275,327,998.20 and 128,609,893.20

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Solution

The fourth proportional to 183,551,998.80, 275,327,998.20 and 128,609,893.20 is: 192,914,839.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,551,998.80 : 275,327,998.20 = 128,609,893.20 : x
  2. Step 2: Convert to fraction form
    183,551,998.80/275,327,998.20 = 128,609,893.20/x
  3. Step 3: Cross multiply
    183,551,998.80x = 275,327,998.20 × 128,609,893.20
  4. Step 4: Simplify right side
    183,551,998.80x = 35,409,904,443,471,792
  5. Step 5: Solve for x
    x = 35,409,904,443,471,792/183,551,998.80
  6. Step 6: Final answer
    x = 192,914,839.80

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1.5x scale

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.