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Finding the Fourth Proportional to 157,616.40, 236,424.60 and 98,518.80

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Solution

The fourth proportional to 157,616.40, 236,424.60 and 98,518.80 is: 147,778.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,616.40 : 236,424.60 = 98,518.80 : x
  2. Step 2: Convert to fraction form
    157,616.40/236,424.60 = 98,518.80/x
  3. Step 3: Cross multiply
    157,616.40x = 236,424.60 × 98,518.80
  4. Step 4: Simplify right side
    157,616.40x = 23,292,267,882.48
  5. Step 5: Solve for x
    x = 23,292,267,882.48/157,616.40
  6. Step 6: Final answer
    x = 147,778.20

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