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Finding the Fourth Proportional to 180,717.82, 249,360.30 and 120,378.48

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Solution

The fourth proportional to 180,717.82, 249,360.30 and 120,378.48 is: 166,102.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,717.82 : 249,360.30 = 120,378.48 : x
  2. Step 2: Convert to fraction form
    180,717.82/249,360.30 = 120,378.48/x
  3. Step 3: Cross multiply
    180,717.82x = 249,360.30 × 120,378.48
  4. Step 4: Simplify right side
    180,717.82x = 30,017,613,886.34
  5. Step 5: Solve for x
    x = 30,017,613,886.34/180,717.82
  6. Step 6: Final answer
    x = 166,102.12

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