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Finding the Fourth Proportional to 103,144.16, 142,334.56 and 58,432.16

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Solution

The fourth proportional to 103,144.16, 142,334.56 and 58,432.16 is: 80,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,144.16 : 142,334.56 = 58,432.16 : x
  2. Step 2: Convert to fraction form
    103,144.16/142,334.56 = 58,432.16/x
  3. Step 3: Cross multiply
    103,144.16x = 142,334.56 × 58,432.16
  4. Step 4: Simplify right side
    103,144.16x = 8,316,915,783.45
  5. Step 5: Solve for x
    x = 8,316,915,783.45/103,144.16
  6. Step 6: Final answer
    x = 80,633.90

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