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Finding the Fourth Proportional to 65,274.72, 97,864.20 and 20,875.92

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Solution

The fourth proportional to 65,274.72, 97,864.20 and 20,875.92 is: 31,298.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,274.72 : 97,864.20 = 20,875.92 : x
  2. Step 2: Convert to fraction form
    65,274.72/97,864.20 = 20,875.92/x
  3. Step 3: Cross multiply
    65,274.72x = 97,864.20 × 20,875.92
  4. Step 4: Simplify right side
    65,274.72x = 2,043,005,210.06
  5. Step 5: Solve for x
    x = 2,043,005,210.06/65,274.72
  6. Step 6: Final answer
    x = 31,298.57

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