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Finding the Fourth Proportional to 188,412.12, 259,748.91 and 150,301.01

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Solution

The fourth proportional to 188,412.12, 259,748.91 and 150,301.01 is: 207,208.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,412.12 : 259,748.91 = 150,301.01 : x
  2. Step 2: Convert to fraction form
    188,412.12/259,748.91 = 150,301.01/x
  3. Step 3: Cross multiply
    188,412.12x = 259,748.91 × 150,301.01
  4. Step 4: Simplify right side
    188,412.12x = 39,040,524,168.77
  5. Step 5: Solve for x
    x = 39,040,524,168.77/188,412.12
  6. Step 6: Final answer
    x = 207,208.14

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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.