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Finding the Fourth Proportional to 270,083.70, 404,801.55 and 112,230.90

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Solution

The fourth proportional to 270,083.70, 404,801.55 and 112,230.90 is: 168,211.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,083.70 : 404,801.55 = 112,230.90 : x
  2. Step 2: Convert to fraction form
    270,083.70/404,801.55 = 112,230.90/x
  3. Step 3: Cross multiply
    270,083.70x = 404,801.55 × 112,230.90
  4. Step 4: Simplify right side
    270,083.70x = 45,431,242,277.90
  5. Step 5: Solve for x
    x = 45,431,242,277.90/270,083.70
  6. Step 6: Final answer
    x = 168,211.71

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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.