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Finding the Fourth Proportional to 180,487.36, 249,069.60 and 99,913.20

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Solution

The fourth proportional to 180,487.36, 249,069.60 and 99,913.20 is: 137,878.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,487.36 : 249,069.60 = 99,913.20 : x
  2. Step 2: Convert to fraction form
    180,487.36/249,069.60 = 99,913.20/x
  3. Step 3: Cross multiply
    180,487.36x = 249,069.60 × 99,913.20
  4. Step 4: Simplify right side
    180,487.36x = 24,885,340,758.72
  5. Step 5: Solve for x
    x = 24,885,340,758.72/180,487.36
  6. Step 6: Final answer
    x = 137,878.58

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