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Finding the Fourth Proportional to 155,967.66, 215,235.81 and 84,348.18

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Solution

The fourth proportional to 155,967.66, 215,235.81 and 84,348.18 is: 116,400.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,967.66 : 215,235.81 = 84,348.18 : x
  2. Step 2: Convert to fraction form
    155,967.66/215,235.81 = 84,348.18/x
  3. Step 3: Cross multiply
    155,967.66x = 215,235.81 × 84,348.18
  4. Step 4: Simplify right side
    155,967.66x = 18,154,748,844.33
  5. Step 5: Solve for x
    x = 18,154,748,844.33/155,967.66
  6. Step 6: Final answer
    x = 116,400.73

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