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Finding the Fourth Proportional to 188,224.80, 259,676.14 and 107,609.01

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Solution

The fourth proportional to 188,224.80, 259,676.14 and 107,609.01 is: 148,458.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,224.80 : 259,676.14 = 107,609.01 : x
  2. Step 2: Convert to fraction form
    188,224.80/259,676.14 = 107,609.01/x
  3. Step 3: Cross multiply
    188,224.80x = 259,676.14 × 107,609.01
  4. Step 4: Simplify right side
    188,224.80x = 27,943,493,264.23
  5. Step 5: Solve for x
    x = 27,943,493,264.23/188,224.80
  6. Step 6: Final answer
    x = 148,458.08

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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.