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Finding the Fourth Proportional to 124,554.40, 186,831.60 and 61,386.55

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Solution

The fourth proportional to 124,554.40, 186,831.60 and 61,386.55 is: 92,079.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,554.40 : 186,831.60 = 61,386.55 : x
  2. Step 2: Convert to fraction form
    124,554.40/186,831.60 = 61,386.55/x
  3. Step 3: Cross multiply
    124,554.40x = 186,831.60 × 61,386.55
  4. Step 4: Simplify right side
    124,554.40x = 11,468,947,354.98
  5. Step 5: Solve for x
    x = 11,468,947,354.98/124,554.40
  6. Step 6: Final answer
    x = 92,079.83

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