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Finding the Fourth Proportional to 83,073.64, 114,639.42 and 76,386.28

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Solution

The fourth proportional to 83,073.64, 114,639.42 and 76,386.28 is: 105,411.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,073.64 : 114,639.42 = 76,386.28 : x
  2. Step 2: Convert to fraction form
    83,073.64/114,639.42 = 76,386.28/x
  3. Step 3: Cross multiply
    83,073.64x = 114,639.42 × 76,386.28
  4. Step 4: Simplify right side
    83,073.64x = 8,756,878,835.16
  5. Step 5: Solve for x
    x = 8,756,878,835.16/83,073.64
  6. Step 6: Final answer
    x = 105,411.04

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