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Finding the Fourth Proportional to 97,740.78, 134,870.91 and 54,722.70

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Solution

The fourth proportional to 97,740.78, 134,870.91 and 54,722.70 is: 75,510.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,740.78 : 134,870.91 = 54,722.70 : x
  2. Step 2: Convert to fraction form
    97,740.78/134,870.91 = 54,722.70/x
  3. Step 3: Cross multiply
    97,740.78x = 134,870.91 × 54,722.70
  4. Step 4: Simplify right side
    97,740.78x = 7,380,500,346.66
  5. Step 5: Solve for x
    x = 7,380,500,346.66/97,740.78
  6. Step 6: Final answer
    x = 75,510.96

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