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Finding the Fourth Proportional to 59,681.80, 89,522.70 and 28,072.21

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Solution

The fourth proportional to 59,681.80, 89,522.70 and 28,072.21 is: 42,108.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,681.80 : 89,522.70 = 28,072.21 : x
  2. Step 2: Convert to fraction form
    59,681.80/89,522.70 = 28,072.21/x
  3. Step 3: Cross multiply
    59,681.80x = 89,522.70 × 28,072.21
  4. Step 4: Simplify right side
    59,681.80x = 2,513,100,034.17
  5. Step 5: Solve for x
    x = 2,513,100,034.17/59,681.80
  6. Step 6: Final answer
    x = 42,108.32

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