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Finding the Fourth Proportional to 192,348.36, 265,514.81 and 172,169.64

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Solution

The fourth proportional to 192,348.36, 265,514.81 and 172,169.64 is: 237,660.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,348.36 : 265,514.81 = 172,169.64 : x
  2. Step 2: Convert to fraction form
    192,348.36/265,514.81 = 172,169.64/x
  3. Step 3: Cross multiply
    192,348.36x = 265,514.81 × 172,169.64
  4. Step 4: Simplify right side
    192,348.36x = 45,713,588,391.52
  5. Step 5: Solve for x
    x = 45,713,588,391.52/192,348.36
  6. Step 6: Final answer
    x = 237,660.40

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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.