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Finding the Fourth Proportional to 270,542.14, 373,467.72 and 161,684.88

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Solution

The fourth proportional to 270,542.14, 373,467.72 and 161,684.88 is: 223,196.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,542.14 : 373,467.72 = 161,684.88 : x
  2. Step 2: Convert to fraction form
    270,542.14/373,467.72 = 161,684.88/x
  3. Step 3: Cross multiply
    270,542.14x = 373,467.72 × 161,684.88
  4. Step 4: Simplify right side
    270,542.14x = 60,384,083,492.07
  5. Step 5: Solve for x
    x = 60,384,083,492.07/270,542.14
  6. Step 6: Final answer
    x = 223,196.59

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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.