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Finding the Fourth Proportional to 150,301.44, 207,453.42 and 86,677.56

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Solution

The fourth proportional to 150,301.44, 207,453.42 and 86,677.56 is: 119,636.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,301.44 : 207,453.42 = 86,677.56 : x
  2. Step 2: Convert to fraction form
    150,301.44/207,453.42 = 86,677.56/x
  3. Step 3: Cross multiply
    150,301.44x = 207,453.42 × 86,677.56
  4. Step 4: Simplify right side
    150,301.44x = 17,981,556,259.26
  5. Step 5: Solve for x
    x = 17,981,556,259.26/150,301.44
  6. Step 6: Final answer
    x = 119,636.62

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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.