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Finding the Fourth Proportional to 180,882.22, 249,601.14 and 100,309.54

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Solution

The fourth proportional to 180,882.22, 249,601.14 and 100,309.54 is: 138,418.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,882.22 : 249,601.14 = 100,309.54 : x
  2. Step 2: Convert to fraction form
    180,882.22/249,601.14 = 100,309.54/x
  3. Step 3: Cross multiply
    180,882.22x = 249,601.14 × 100,309.54
  4. Step 4: Simplify right side
    180,882.22x = 25,037,375,536.88
  5. Step 5: Solve for x
    x = 25,037,375,536.88/180,882.22
  6. Step 6: Final answer
    x = 138,418.11

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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.