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Finding the Fourth Proportional to 103,688.60, 155,532.90 and 101,960.60

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Solution

The fourth proportional to 103,688.60, 155,532.90 and 101,960.60 is: 152,940.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,688.60 : 155,532.90 = 101,960.60 : x
  2. Step 2: Convert to fraction form
    103,688.60/155,532.90 = 101,960.60/x
  3. Step 3: Cross multiply
    103,688.60x = 155,532.90 × 101,960.60
  4. Step 4: Simplify right side
    103,688.60x = 15,858,227,803.74
  5. Step 5: Solve for x
    x = 15,858,227,803.74/103,688.60
  6. Step 6: Final answer
    x = 152,940.90

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