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Finding the Fourth Proportional to 52,440.90, 78,476.67 and 42,967.14

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Solution

The fourth proportional to 52,440.90, 78,476.67 and 42,967.14 is: 64,299.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,440.90 : 78,476.67 = 42,967.14 : x
  2. Step 2: Convert to fraction form
    52,440.90/78,476.67 = 42,967.14/x
  3. Step 3: Cross multiply
    52,440.90x = 78,476.67 × 42,967.14
  4. Step 4: Simplify right side
    52,440.90x = 3,371,918,066.62
  5. Step 5: Solve for x
    x = 3,371,918,066.62/52,440.90
  6. Step 6: Final answer
    x = 64,299.39

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