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Finding the Fourth Proportional to 207,856.79, 286,842.80 and 112,363.48

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Solution

The fourth proportional to 207,856.79, 286,842.80 and 112,363.48 is: 155,061.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,856.79 : 286,842.80 = 112,363.48 : x
  2. Step 2: Convert to fraction form
    207,856.79/286,842.80 = 112,363.48/x
  3. Step 3: Cross multiply
    207,856.79x = 286,842.80 × 112,363.48
  4. Step 4: Simplify right side
    207,856.79x = 32,230,654,659.13
  5. Step 5: Solve for x
    x = 32,230,654,659.13/207,856.79
  6. Step 6: Final answer
    x = 155,061.84

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