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Finding the Fourth Proportional to 130,818.72, 180,584.70 and 88,434.66

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Solution

The fourth proportional to 130,818.72, 180,584.70 and 88,434.66 is: 122,076.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,818.72 : 180,584.70 = 88,434.66 : x
  2. Step 2: Convert to fraction form
    130,818.72/180,584.70 = 88,434.66/x
  3. Step 3: Cross multiply
    130,818.72x = 180,584.70 × 88,434.66
  4. Step 4: Simplify right side
    130,818.72x = 15,969,946,545.70
  5. Step 5: Solve for x
    x = 15,969,946,545.70/130,818.72
  6. Step 6: Final answer
    x = 122,076.92

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