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Finding the Fourth Proportional to 213,801.48, 320,454.36 and 80,596.44

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Solution

The fourth proportional to 213,801.48, 320,454.36 and 80,596.44 is: 120,801.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,801.48 : 320,454.36 = 80,596.44 : x
  2. Step 2: Convert to fraction form
    213,801.48/320,454.36 = 80,596.44/x
  3. Step 3: Cross multiply
    213,801.48x = 320,454.36 × 80,596.44
  4. Step 4: Simplify right side
    213,801.48x = 25,827,480,598.48
  5. Step 5: Solve for x
    x = 25,827,480,598.48/213,801.48
  6. Step 6: Final answer
    x = 120,801.22

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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.