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Finding the Fourth Proportional to 188,168.47, 259,888.01 and 123,924.90

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Solution

The fourth proportional to 188,168.47, 259,888.01 and 123,924.90 is: 171,158.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,168.47 : 259,888.01 = 123,924.90 : x
  2. Step 2: Convert to fraction form
    188,168.47/259,888.01 = 123,924.90/x
  3. Step 3: Cross multiply
    188,168.47x = 259,888.01 × 123,924.90
  4. Step 4: Simplify right side
    188,168.47x = 32,206,595,650.45
  5. Step 5: Solve for x
    x = 32,206,595,650.45/188,168.47
  6. Step 6: Final answer
    x = 171,158.30

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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.