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Finding the Fourth Proportional to 217,440.10, 326,145.48 and 59,655.34

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Solution

The fourth proportional to 217,440.10, 326,145.48 and 59,655.34 is: 89,478.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,440.10 : 326,145.48 = 59,655.34 : x
  2. Step 2: Convert to fraction form
    217,440.10/326,145.48 = 59,655.34/x
  3. Step 3: Cross multiply
    217,440.10x = 326,145.48 × 59,655.34
  4. Step 4: Simplify right side
    217,440.10x = 19,456,319,498.86
  5. Step 5: Solve for x
    x = 19,456,319,498.86/217,440.10
  6. Step 6: Final answer
    x = 89,478.99

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