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Finding the Fourth Proportional to 50,405,087.90, 75,607,631.85 and 50,405,087.90

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Solution

The fourth proportional to 50,405,087.90, 75,607,631.85 and 50,405,087.90 is: 75,607,631.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,405,087.90 : 75,607,631.85 = 50,405,087.90 : x
  2. Step 2: Convert to fraction form
    50,405,087.90/75,607,631.85 = 50,405,087.90/x
  3. Step 3: Cross multiply
    50,405,087.90x = 75,607,631.85 × 50,405,087.90
  4. Step 4: Simplify right side
    50,405,087.90x = 3,811,009,329,310,089
  5. Step 5: Solve for x
    x = 3,811,009,329,310,089/50,405,087.90
  6. Step 6: Final answer
    x = 75,607,631.85

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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.