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Finding the Fourth Proportional to 124,220.40, 186,330.60 and 93,116.40

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Solution

The fourth proportional to 124,220.40, 186,330.60 and 93,116.40 is: 139,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,220.40 : 186,330.60 = 93,116.40 : x
  2. Step 2: Convert to fraction form
    124,220.40/186,330.60 = 93,116.40/x
  3. Step 3: Cross multiply
    124,220.40x = 186,330.60 × 93,116.40
  4. Step 4: Simplify right side
    124,220.40x = 17,350,434,681.84
  5. Step 5: Solve for x
    x = 17,350,434,681.84/124,220.40
  6. Step 6: Final answer
    x = 139,674.60

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