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Finding the Fourth Proportional to 48,065,051.49, 71,978,003.01 and 33,620,485.11

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Solution

The fourth proportional to 48,065,051.49, 71,978,003.01 and 33,620,485.11 is: 50,347,088.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,065,051.49 : 71,978,003.01 = 33,620,485.11 : x
  2. Step 2: Convert to fraction form
    48,065,051.49/71,978,003.01 = 33,620,485.11/x
  3. Step 3: Cross multiply
    48,065,051.49x = 71,978,003.01 × 33,620,485.11
  4. Step 4: Simplify right side
    48,065,051.49x = 2,419,935,378,277,137.50
  5. Step 5: Solve for x
    x = 2,419,935,378,277,137.50/48,065,051.49
  6. Step 6: Final answer
    x = 50,347,088.02

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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.