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Finding the Fourth Proportional to 60,459.66, 90,689.70 and 18,340.11

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Solution

The fourth proportional to 60,459.66, 90,689.70 and 18,340.11 is: 27,510.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,459.66 : 90,689.70 = 18,340.11 : x
  2. Step 2: Convert to fraction form
    60,459.66/90,689.70 = 18,340.11/x
  3. Step 3: Cross multiply
    60,459.66x = 90,689.70 × 18,340.11
  4. Step 4: Simplify right side
    60,459.66x = 1,663,258,620.42
  5. Step 5: Solve for x
    x = 1,663,258,620.42/60,459.66
  6. Step 6: Final answer
    x = 27,510.22

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