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Finding the Fourth Proportional to 213,997.14, 295,623.54 and 170,920.08

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Solution

The fourth proportional to 213,997.14, 295,623.54 and 170,920.08 is: 236,115.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,997.14 : 295,623.54 = 170,920.08 : x
  2. Step 2: Convert to fraction form
    213,997.14/295,623.54 = 170,920.08/x
  3. Step 3: Cross multiply
    213,997.14x = 295,623.54 × 170,920.08
  4. Step 4: Simplify right side
    213,997.14x = 50,527,999,106.68
  5. Step 5: Solve for x
    x = 50,527,999,106.68/213,997.14
  6. Step 6: Final answer
    x = 236,115.30

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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.