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Finding the Fourth Proportional to 213,879.29, 295,185.06 and 123,218.01

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Solution

The fourth proportional to 213,879.29, 295,185.06 and 123,218.01 is: 170,059.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,879.29 : 295,185.06 = 123,218.01 : x
  2. Step 2: Convert to fraction form
    213,879.29/295,185.06 = 123,218.01/x
  3. Step 3: Cross multiply
    213,879.29x = 295,185.06 × 123,218.01
  4. Step 4: Simplify right side
    213,879.29x = 36,372,115,674.93
  5. Step 5: Solve for x
    x = 36,372,115,674.93/213,879.29
  6. Step 6: Final answer
    x = 170,059.09

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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.