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Finding the Fourth Proportional to 118,417.50, 163,489.05 and 76,050.72

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Solution

The fourth proportional to 118,417.50, 163,489.05 and 76,050.72 is: 104,996.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,417.50 : 163,489.05 = 76,050.72 : x
  2. Step 2: Convert to fraction form
    118,417.50/163,489.05 = 76,050.72/x
  3. Step 3: Cross multiply
    118,417.50x = 163,489.05 × 76,050.72
  4. Step 4: Simplify right side
    118,417.50x = 12,433,459,964.62
  5. Step 5: Solve for x
    x = 12,433,459,964.62/118,417.50
  6. Step 6: Final answer
    x = 104,996.81

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