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Finding the Fourth Proportional to 78,905.70, 118,358.55 and 23,501.70

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Solution

The fourth proportional to 78,905.70, 118,358.55 and 23,501.70 is: 35,252.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,905.70 : 118,358.55 = 23,501.70 : x
  2. Step 2: Convert to fraction form
    78,905.70/118,358.55 = 23,501.70/x
  3. Step 3: Cross multiply
    78,905.70x = 118,358.55 × 23,501.70
  4. Step 4: Simplify right side
    78,905.70x = 2,781,627,134.54
  5. Step 5: Solve for x
    x = 2,781,627,134.54/78,905.70
  6. Step 6: Final answer
    x = 35,252.55

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