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Finding the Fourth Proportional to 261,713.84, 391,750.32 and 180,185.21

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Solution

The fourth proportional to 261,713.84, 391,750.32 and 180,185.21 is: 269,712.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,713.84 : 391,750.32 = 180,185.21 : x
  2. Step 2: Convert to fraction form
    261,713.84/391,750.32 = 180,185.21/x
  3. Step 3: Cross multiply
    261,713.84x = 391,750.32 × 180,185.21
  4. Step 4: Simplify right side
    261,713.84x = 70,587,613,862.77
  5. Step 5: Solve for x
    x = 70,587,613,862.77/261,713.84
  6. Step 6: Final answer
    x = 269,712.96

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