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Finding the Fourth Proportional to 268,522.40, 403,094.80 and 144,106.40

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Solution

The fourth proportional to 268,522.40, 403,094.80 and 144,106.40 is: 216,326.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,522.40 : 403,094.80 = 144,106.40 : x
  2. Step 2: Convert to fraction form
    268,522.40/403,094.80 = 144,106.40/x
  3. Step 3: Cross multiply
    268,522.40x = 403,094.80 × 144,106.40
  4. Step 4: Simplify right side
    268,522.40x = 58,088,540,486.72
  5. Step 5: Solve for x
    x = 58,088,540,486.72/268,522.40
  6. Step 6: Final answer
    x = 216,326.61

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