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Finding the Fourth Proportional to 174,891.69, 262,361.97 and 86,145.93

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Solution

The fourth proportional to 174,891.69, 262,361.97 and 86,145.93 is: 129,230.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,891.69 : 262,361.97 = 86,145.93 : x
  2. Step 2: Convert to fraction form
    174,891.69/262,361.97 = 86,145.93/x
  3. Step 3: Cross multiply
    174,891.69x = 262,361.97 × 86,145.93
  4. Step 4: Simplify right side
    174,891.69x = 22,601,415,902.28
  5. Step 5: Solve for x
    x = 22,601,415,902.28/174,891.69
  6. Step 6: Final answer
    x = 129,230.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.