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Finding the Fourth Proportional to 124,831.95, 187,247.40 and 31,337.70

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Solution

The fourth proportional to 124,831.95, 187,247.40 and 31,337.70 is: 47,006.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,831.95 : 187,247.40 = 31,337.70 : x
  2. Step 2: Convert to fraction form
    124,831.95/187,247.40 = 31,337.70/x
  3. Step 3: Cross multiply
    124,831.95x = 187,247.40 × 31,337.70
  4. Step 4: Simplify right side
    124,831.95x = 5,867,902,846.98
  5. Step 5: Solve for x
    x = 5,867,902,846.98/124,831.95
  6. Step 6: Final answer
    x = 47,006.42

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