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Finding the Fourth Proportional to 177,666.20, 266,499.30 and 72,427.80

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Solution

The fourth proportional to 177,666.20, 266,499.30 and 72,427.80 is: 108,641.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,666.20 : 266,499.30 = 72,427.80 : x
  2. Step 2: Convert to fraction form
    177,666.20/266,499.30 = 72,427.80/x
  3. Step 3: Cross multiply
    177,666.20x = 266,499.30 × 72,427.80
  4. Step 4: Simplify right side
    177,666.20x = 19,301,958,000.54
  5. Step 5: Solve for x
    x = 19,301,958,000.54/177,666.20
  6. Step 6: Final answer
    x = 108,641.70

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