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Finding the Fourth Proportional to 58,154.74, 87,234.33 and 18,177.40

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Solution

The fourth proportional to 58,154.74, 87,234.33 and 18,177.40 is: 27,266.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,154.74 : 87,234.33 = 18,177.40 : x
  2. Step 2: Convert to fraction form
    58,154.74/87,234.33 = 18,177.40/x
  3. Step 3: Cross multiply
    58,154.74x = 87,234.33 × 18,177.40
  4. Step 4: Simplify right side
    58,154.74x = 1,585,693,219.26
  5. Step 5: Solve for x
    x = 1,585,693,219.26/58,154.74
  6. Step 6: Final answer
    x = 27,266.79

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