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Finding the Fourth Proportional to 109,669.71, 151,345.26 and 64,348.47

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Solution

The fourth proportional to 109,669.71, 151,345.26 and 64,348.47 is: 88,801.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,669.71 : 151,345.26 = 64,348.47 : x
  2. Step 2: Convert to fraction form
    109,669.71/151,345.26 = 64,348.47/x
  3. Step 3: Cross multiply
    109,669.71x = 151,345.26 × 64,348.47
  4. Step 4: Simplify right side
    109,669.71x = 9,738,835,922.75
  5. Step 5: Solve for x
    x = 9,738,835,922.75/109,669.71
  6. Step 6: Final answer
    x = 88,801.51

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