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Finding the Fourth Proportional to 78,335.51, 108,103.01 and 42,525.47

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Solution

The fourth proportional to 78,335.51, 108,103.01 and 42,525.47 is: 58,685.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,335.51 : 108,103.01 = 42,525.47 : x
  2. Step 2: Convert to fraction form
    78,335.51/108,103.01 = 42,525.47/x
  3. Step 3: Cross multiply
    78,335.51x = 108,103.01 × 42,525.47
  4. Step 4: Simplify right side
    78,335.51x = 4,597,131,366.29
  5. Step 5: Solve for x
    x = 4,597,131,366.29/78,335.51
  6. Step 6: Final answer
    x = 58,685.16

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