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Finding the Fourth Proportional to 50,193,130.60, 75,147,978.30 and 50,193,130.60

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Solution

The fourth proportional to 50,193,130.60, 75,147,978.30 and 50,193,130.60 is: 75,147,978.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,193,130.60 : 75,147,978.30 = 50,193,130.60 : x
  2. Step 2: Convert to fraction form
    50,193,130.60/75,147,978.30 = 50,193,130.60/x
  3. Step 3: Cross multiply
    50,193,130.60x = 75,147,978.30 × 50,193,130.60
  4. Step 4: Simplify right side
    50,193,130.60x = 3,771,912,289,137,866
  5. Step 5: Solve for x
    x = 3,771,912,289,137,866/50,193,130.60
  6. Step 6: Final answer
    x = 75,147,978.30

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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.