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Finding the Fourth Proportional to 53,895,190.80, 80,843,477.40 and 17,993,398.80

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Solution

The fourth proportional to 53,895,190.80, 80,843,477.40 and 17,993,398.80 is: 26,990,328.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,895,190.80 : 80,843,477.40 = 17,993,398.80 : x
  2. Step 2: Convert to fraction form
    53,895,190.80/80,843,477.40 = 17,993,398.80/x
  3. Step 3: Cross multiply
    53,895,190.80x = 80,843,477.40 × 17,993,398.80
  4. Step 4: Simplify right side
    53,895,190.80x = 1,454,648,929,236,987.25
  5. Step 5: Solve for x
    x = 1,454,648,929,236,987.25/53,895,190.80
  6. Step 6: Final answer
    x = 26,990,328.96

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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.