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Finding the Fourth Proportional to 71,527.38, 107,291.88 and 21,607.89

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Solution

The fourth proportional to 71,527.38, 107,291.88 and 21,607.89 is: 32,412.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,527.38 : 107,291.88 = 21,607.89 : x
  2. Step 2: Convert to fraction form
    71,527.38/107,291.88 = 21,607.89/x
  3. Step 3: Cross multiply
    71,527.38x = 107,291.88 × 21,607.89
  4. Step 4: Simplify right side
    71,527.38x = 2,318,351,140.93
  5. Step 5: Solve for x
    x = 2,318,351,140.93/71,527.38
  6. Step 6: Final answer
    x = 32,412.08

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