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Finding the Fourth Proportional to 180,604.64, 249,243.32 and 108,983.44

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Solution

The fourth proportional to 180,604.64, 249,243.32 and 108,983.44 is: 150,402.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,604.64 : 249,243.32 = 108,983.44 : x
  2. Step 2: Convert to fraction form
    180,604.64/249,243.32 = 108,983.44/x
  3. Step 3: Cross multiply
    180,604.64x = 249,243.32 × 108,983.44
  4. Step 4: Simplify right side
    180,604.64x = 27,163,394,410.62
  5. Step 5: Solve for x
    x = 27,163,394,410.62/180,604.64
  6. Step 6: Final answer
    x = 150,402.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.