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Finding the Fourth Proportional to 36,362,978.33, 50,181,969.92 and 19,844,166.92

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Solution

The fourth proportional to 36,362,978.33, 50,181,969.92 and 19,844,166.92 is: 27,385,528.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,362,978.33 : 50,181,969.92 = 19,844,166.92 : x
  2. Step 2: Convert to fraction form
    36,362,978.33/50,181,969.92 = 19,844,166.92/x
  3. Step 3: Cross multiply
    36,362,978.33x = 50,181,969.92 × 19,844,166.92
  4. Step 4: Simplify right side
    36,362,978.33x = 995,819,387,116,768.25
  5. Step 5: Solve for x
    x = 995,819,387,116,768.25/36,362,978.33
  6. Step 6: Final answer
    x = 27,385,528.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.