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Finding the Fourth Proportional to 49,110.80, 73,666.20 and 28,374.80

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Solution

The fourth proportional to 49,110.80, 73,666.20 and 28,374.80 is: 42,562.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,110.80 : 73,666.20 = 28,374.80 : x
  2. Step 2: Convert to fraction form
    49,110.80/73,666.20 = 28,374.80/x
  3. Step 3: Cross multiply
    49,110.80x = 73,666.20 × 28,374.80
  4. Step 4: Simplify right side
    49,110.80x = 2,090,263,691.76
  5. Step 5: Solve for x
    x = 2,090,263,691.76/49,110.80
  6. Step 6: Final answer
    x = 42,562.20

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