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Finding the Fourth Proportional to 58,978,330.80, 88,467,496.20 and 53,876,497.20

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Solution

The fourth proportional to 58,978,330.80, 88,467,496.20 and 53,876,497.20 is: 80,814,745.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,978,330.80 : 88,467,496.20 = 53,876,497.20 : x
  2. Step 2: Convert to fraction form
    58,978,330.80/88,467,496.20 = 53,876,497.20/x
  3. Step 3: Cross multiply
    58,978,330.80x = 88,467,496.20 × 53,876,497.20
  4. Step 4: Simplify right side
    58,978,330.80x = 4,766,318,811,310,311
  5. Step 5: Solve for x
    x = 4,766,318,811,310,311/58,978,330.80
  6. Step 6: Final answer
    x = 80,814,745.80

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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.