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Finding the Fourth Proportional to 193,341.44, 289,969.92 and 53,085.44

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Solution

The fourth proportional to 193,341.44, 289,969.92 and 53,085.44 is: 79,616.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,341.44 : 289,969.92 = 53,085.44 : x
  2. Step 2: Convert to fraction form
    193,341.44/289,969.92 = 53,085.44/x
  3. Step 3: Cross multiply
    193,341.44x = 289,969.92 × 53,085.44
  4. Step 4: Simplify right side
    193,341.44x = 15,393,180,789.96
  5. Step 5: Solve for x
    x = 15,393,180,789.96/193,341.44
  6. Step 6: Final answer
    x = 79,616.56

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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.