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Finding the Fourth Proportional to 78,735.33, 108,653.72 and 42,925.28

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Solution

The fourth proportional to 78,735.33, 108,653.72 and 42,925.28 is: 59,236.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,735.33 : 108,653.72 = 42,925.28 : x
  2. Step 2: Convert to fraction form
    78,735.33/108,653.72 = 42,925.28/x
  3. Step 3: Cross multiply
    78,735.33x = 108,653.72 × 42,925.28
  4. Step 4: Simplify right side
    78,735.33x = 4,663,991,354.04
  5. Step 5: Solve for x
    x = 4,663,991,354.04/78,735.33
  6. Step 6: Final answer
    x = 59,236.32

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