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Finding the Fourth Proportional to 57,993,868.80, 87,003,244.80 and 17,608,435.20

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Solution

The fourth proportional to 57,993,868.80, 87,003,244.80 and 17,608,435.20 is: 26,416,430.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,993,868.80 : 87,003,244.80 = 17,608,435.20 : x
  2. Step 2: Convert to fraction form
    57,993,868.80/87,003,244.80 = 17,608,435.20/x
  3. Step 3: Cross multiply
    57,993,868.80x = 87,003,244.80 × 17,608,435.20
  4. Step 4: Simplify right side
    57,993,868.80x = 1,531,990,998,250,536.75
  5. Step 5: Solve for x
    x = 1,531,990,998,250,536.75/57,993,868.80
  6. Step 6: Final answer
    x = 26,416,430.39

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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.