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Finding the Fourth Proportional to 180,712.55, 249,384.78 and 100,141.42

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Solution

The fourth proportional to 180,712.55, 249,384.78 and 100,141.42 is: 138,195.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,712.55 : 249,384.78 = 100,141.42 : x
  2. Step 2: Convert to fraction form
    180,712.55/249,384.78 = 100,141.42/x
  3. Step 3: Cross multiply
    180,712.55x = 249,384.78 × 100,141.42
  4. Step 4: Simplify right side
    180,712.55x = 24,973,745,372.13
  5. Step 5: Solve for x
    x = 24,973,745,372.13/180,712.55
  6. Step 6: Final answer
    x = 138,195.97

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