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Finding the Fourth Proportional to 124,290.30, 186,435.45 and 54,306.30

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Solution

The fourth proportional to 124,290.30, 186,435.45 and 54,306.30 is: 81,459.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,290.30 : 186,435.45 = 54,306.30 : x
  2. Step 2: Convert to fraction form
    124,290.30/186,435.45 = 54,306.30/x
  3. Step 3: Cross multiply
    124,290.30x = 186,435.45 × 54,306.30
  4. Step 4: Simplify right side
    124,290.30x = 10,124,619,478.34
  5. Step 5: Solve for x
    x = 10,124,619,478.34/124,290.30
  6. Step 6: Final answer
    x = 81,459.45

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