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Finding the Fourth Proportional to 196,243.99, 270,858.92 and 119,746.71

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Solution

The fourth proportional to 196,243.99, 270,858.92 and 119,746.71 is: 165,276.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,243.99 : 270,858.92 = 119,746.71 : x
  2. Step 2: Convert to fraction form
    196,243.99/270,858.92 = 119,746.71/x
  3. Step 3: Cross multiply
    196,243.99x = 270,858.92 × 119,746.71
  4. Step 4: Simplify right side
    196,243.99x = 32,434,463,857.20
  5. Step 5: Solve for x
    x = 32,434,463,857.20/196,243.99
  6. Step 6: Final answer
    x = 165,276.21

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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.