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Finding the Fourth Proportional to 96,688.79, 133,403.15 and 62,698.66

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Solution

The fourth proportional to 96,688.79, 133,403.15 and 62,698.66 is: 86,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,688.79 : 133,403.15 = 62,698.66 : x
  2. Step 2: Convert to fraction form
    96,688.79/133,403.15 = 62,698.66/x
  3. Step 3: Cross multiply
    96,688.79x = 133,403.15 × 62,698.66
  4. Step 4: Simplify right side
    96,688.79x = 8,364,198,568.02
  5. Step 5: Solve for x
    x = 8,364,198,568.02/96,688.79
  6. Step 6: Final answer
    x = 86,506.40

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