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Finding the Fourth Proportional to 56,611,270.80, 84,916,906.20 and 56,611,270.80

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Solution

The fourth proportional to 56,611,270.80, 84,916,906.20 and 56,611,270.80 is: 84,916,906.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,611,270.80 : 84,916,906.20 = 56,611,270.80 : x
  2. Step 2: Convert to fraction form
    56,611,270.80/84,916,906.20 = 56,611,270.80/x
  3. Step 3: Cross multiply
    56,611,270.80x = 84,916,906.20 × 56,611,270.80
  4. Step 4: Simplify right side
    56,611,270.80x = 4,807,253,972,386,399
  5. Step 5: Solve for x
    x = 4,807,253,972,386,399/56,611,270.80
  6. Step 6: Final answer
    x = 84,916,906.20

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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.