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Finding the Fourth Proportional to 118,339.24, 163,301.70 and 64,623.40

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Solution

The fourth proportional to 118,339.24, 163,301.70 and 64,623.40 is: 89,176.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,339.24 : 163,301.70 = 64,623.40 : x
  2. Step 2: Convert to fraction form
    118,339.24/163,301.70 = 64,623.40/x
  3. Step 3: Cross multiply
    118,339.24x = 163,301.70 × 64,623.40
  4. Step 4: Simplify right side
    118,339.24x = 10,553,111,079.78
  5. Step 5: Solve for x
    x = 10,553,111,079.78/118,339.24
  6. Step 6: Final answer
    x = 89,176.77

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