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Finding the Fourth Proportional to 111,598.29, 167,398.65 and 78,370.47

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Solution

The fourth proportional to 111,598.29, 167,398.65 and 78,370.47 is: 117,556.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,598.29 : 167,398.65 = 78,370.47 : x
  2. Step 2: Convert to fraction form
    111,598.29/167,398.65 = 78,370.47/x
  3. Step 3: Cross multiply
    111,598.29x = 167,398.65 × 78,370.47
  4. Step 4: Simplify right side
    111,598.29x = 13,119,110,877.87
  5. Step 5: Solve for x
    x = 13,119,110,877.87/111,598.29
  6. Step 6: Final answer
    x = 117,556.56

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