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Finding the Fourth Proportional to 180,508.82, 249,100.85 and 108,928.31

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Solution

The fourth proportional to 180,508.82, 249,100.85 and 108,928.31 is: 150,320.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,508.82 : 249,100.85 = 108,928.31 : x
  2. Step 2: Convert to fraction form
    180,508.82/249,100.85 = 108,928.31/x
  3. Step 3: Cross multiply
    180,508.82x = 249,100.85 × 108,928.31
  4. Step 4: Simplify right side
    180,508.82x = 27,134,133,636.88
  5. Step 5: Solve for x
    x = 27,134,133,636.88/180,508.82
  6. Step 6: Final answer
    x = 150,320.27

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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.