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Finding the Fourth Proportional to 53,895,164.80, 80,843,438.40 and 17,993,372.80

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Solution

The fourth proportional to 53,895,164.80, 80,843,438.40 and 17,993,372.80 is: 26,990,289.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,895,164.80 : 80,843,438.40 = 17,993,372.80 : x
  2. Step 2: Convert to fraction form
    53,895,164.80/80,843,438.40 = 17,993,372.80/x
  3. Step 3: Cross multiply
    53,895,164.80x = 80,843,438.40 × 17,993,372.80
  4. Step 4: Simplify right side
    53,895,164.80x = 1,454,646,125,565,035.75
  5. Step 5: Solve for x
    x = 1,454,646,125,565,035.75/53,895,164.80
  6. Step 6: Final answer
    x = 26,990,289.96

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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.