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Finding the Fourth Proportional to 112,920.17, 169,232.61 and 46,282.28

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Solution

The fourth proportional to 112,920.17, 169,232.61 and 46,282.28 is: 69,362.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,920.17 : 169,232.61 = 46,282.28 : x
  2. Step 2: Convert to fraction form
    112,920.17/169,232.61 = 46,282.28/x
  3. Step 3: Cross multiply
    112,920.17x = 169,232.61 × 46,282.28
  4. Step 4: Simplify right side
    112,920.17x = 7,832,471,041.15
  5. Step 5: Solve for x
    x = 7,832,471,041.15/112,920.17
  6. Step 6: Final answer
    x = 69,362.91

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