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Finding the Fourth Proportional to 151,358.91, 208,875.34 and 87,733.61

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Solution

The fourth proportional to 151,358.91, 208,875.34 and 87,733.61 is: 121,072.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,358.91 : 208,875.34 = 87,733.61 : x
  2. Step 2: Convert to fraction form
    151,358.91/208,875.34 = 87,733.61/x
  3. Step 3: Cross multiply
    151,358.91x = 208,875.34 × 87,733.61
  4. Step 4: Simplify right side
    151,358.91x = 18,325,387,466.75
  5. Step 5: Solve for x
    x = 18,325,387,466.75/151,358.91
  6. Step 6: Final answer
    x = 121,072.41

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