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Finding the Fourth Proportional to 201,895.64, 278,615.99 and 117,061.91

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Solution

The fourth proportional to 201,895.64, 278,615.99 and 117,061.91 is: 161,545.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,895.64 : 278,615.99 = 117,061.91 : x
  2. Step 2: Convert to fraction form
    201,895.64/278,615.99 = 117,061.91/x
  3. Step 3: Cross multiply
    201,895.64x = 278,615.99 × 117,061.91
  4. Step 4: Simplify right side
    201,895.64x = 32,615,319,945.94
  5. Step 5: Solve for x
    x = 32,615,319,945.94/201,895.64
  6. Step 6: Final answer
    x = 161,545.44

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