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Finding the Fourth Proportional to 50,891,161.60, 71,096,460.80 and 50,891,161.60

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Solution

The fourth proportional to 50,891,161.60, 71,096,460.80 and 50,891,161.60 is: 71,096,460.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,891,161.60 : 71,096,460.80 = 50,891,161.60 : x
  2. Step 2: Convert to fraction form
    50,891,161.60/71,096,460.80 = 50,891,161.60/x
  3. Step 3: Cross multiply
    50,891,161.60x = 71,096,460.80 × 50,891,161.60
  4. Step 4: Simplify right side
    50,891,161.60x = 3,618,181,475,760,865
  5. Step 5: Solve for x
    x = 3,618,181,475,760,865/50,891,161.60
  6. Step 6: Final answer
    x = 71,096,460.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.