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Finding the Fourth Proportional to 192,348.17, 265,514.55 and 172,169.45

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Solution

The fourth proportional to 192,348.17, 265,514.55 and 172,169.45 is: 237,660.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,348.17 : 265,514.55 = 172,169.45 : x
  2. Step 2: Convert to fraction form
    192,348.17/265,514.55 = 172,169.45/x
  3. Step 3: Cross multiply
    192,348.17x = 265,514.55 × 172,169.45
  4. Step 4: Simplify right side
    192,348.17x = 45,713,492,067.29
  5. Step 5: Solve for x
    x = 45,713,492,067.29/192,348.17
  6. Step 6: Final answer
    x = 237,660.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.