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Finding the Fourth Proportional to 192,425.17, 265,620.72 and 172,246.45

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Solution

The fourth proportional to 192,425.17, 265,620.72 and 172,246.45 is: 237,766.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,425.17 : 265,620.72 = 172,246.45 : x
  2. Step 2: Convert to fraction form
    192,425.17/265,620.72 = 172,246.45/x
  3. Step 3: Cross multiply
    192,425.17x = 265,620.72 × 172,246.45
  4. Step 4: Simplify right side
    192,425.17x = 45,752,226,066.44
  5. Step 5: Solve for x
    x = 45,752,226,066.44/192,425.17
  6. Step 6: Final answer
    x = 237,766.33

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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.