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Finding the Fourth Proportional to 178,478.41, 267,631.49 and 103,617.40

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Solution

The fourth proportional to 178,478.41, 267,631.49 and 103,617.40 is: 155,376.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,478.41 : 267,631.49 = 103,617.40 : x
  2. Step 2: Convert to fraction form
    178,478.41/267,631.49 = 103,617.40/x
  3. Step 3: Cross multiply
    178,478.41x = 267,631.49 × 103,617.40
  4. Step 4: Simplify right side
    178,478.41x = 27,731,279,151.93
  5. Step 5: Solve for x
    x = 27,731,279,151.93/178,478.41
  6. Step 6: Final answer
    x = 155,376.10

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