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Finding the Fourth Proportional to 55,136,940.60, 82,705,410.90 and 55,136,940.60

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Solution

The fourth proportional to 55,136,940.60, 82,705,410.90 and 55,136,940.60 is: 82,705,410.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,136,940.60 : 82,705,410.90 = 55,136,940.60 : x
  2. Step 2: Convert to fraction form
    55,136,940.60/82,705,410.90 = 55,136,940.60/x
  3. Step 3: Cross multiply
    55,136,940.60x = 82,705,410.90 × 55,136,940.60
  4. Step 4: Simplify right side
    55,136,940.60x = 4,560,123,328,091,893
  5. Step 5: Solve for x
    x = 4,560,123,328,091,893/55,136,940.60
  6. Step 6: Final answer
    x = 82,705,410.90

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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.