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Finding the Fourth Proportional to 280,843.13, 421,264.71 and 93,854.63

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Solution

The fourth proportional to 280,843.13, 421,264.71 and 93,854.63 is: 140,781.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,843.13 : 421,264.71 = 93,854.63 : x
  2. Step 2: Convert to fraction form
    280,843.13/421,264.71 = 93,854.63/x
  3. Step 3: Cross multiply
    280,843.13x = 421,264.71 × 93,854.63
  4. Step 4: Simplify right side
    280,843.13x = 39,537,641,382.78
  5. Step 5: Solve for x
    x = 39,537,641,382.78/280,843.13
  6. Step 6: Final answer
    x = 140,781.95

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