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Finding the Fourth Proportional to 172,487.34, 258,774.06 and 60,169.16

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Solution

The fourth proportional to 172,487.34, 258,774.06 and 60,169.16 is: 90,268.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,487.34 : 258,774.06 = 60,169.16 : x
  2. Step 2: Convert to fraction form
    172,487.34/258,774.06 = 60,169.16/x
  3. Step 3: Cross multiply
    172,487.34x = 258,774.06 × 60,169.16
  4. Step 4: Simplify right side
    172,487.34x = 15,570,217,819.99
  5. Step 5: Solve for x
    x = 15,570,217,819.99/172,487.34
  6. Step 6: Final answer
    x = 90,268.76

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