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Finding the Fourth Proportional to 188,528.94, 260,083.22 and 167,040.44

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Solution

The fourth proportional to 188,528.94, 260,083.22 and 167,040.44 is: 230,438.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,528.94 : 260,083.22 = 167,040.44 : x
  2. Step 2: Convert to fraction form
    188,528.94/260,083.22 = 167,040.44/x
  3. Step 3: Cross multiply
    188,528.94x = 260,083.22 × 167,040.44
  4. Step 4: Simplify right side
    188,528.94x = 43,444,415,505.42
  5. Step 5: Solve for x
    x = 43,444,415,505.42/188,528.94
  6. Step 6: Final answer
    x = 230,438.97

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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.