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Finding the Fourth Proportional to 207,665.04, 311,497.56 and 57,899.28

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Solution

The fourth proportional to 207,665.04, 311,497.56 and 57,899.28 is: 86,848.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,665.04 : 311,497.56 = 57,899.28 : x
  2. Step 2: Convert to fraction form
    207,665.04/311,497.56 = 57,899.28/x
  3. Step 3: Cross multiply
    207,665.04x = 311,497.56 × 57,899.28
  4. Step 4: Simplify right side
    207,665.04x = 18,035,484,445.76
  5. Step 5: Solve for x
    x = 18,035,484,445.76/207,665.04
  6. Step 6: Final answer
    x = 86,848.92

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