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Finding the Fourth Proportional to 223,076.25, 307,850.09 and 122,474.25

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Solution

The fourth proportional to 223,076.25, 307,850.09 and 122,474.25 is: 169,017.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,076.25 : 307,850.09 = 122,474.25 : x
  2. Step 2: Convert to fraction form
    223,076.25/307,850.09 = 122,474.25/x
  3. Step 3: Cross multiply
    223,076.25x = 307,850.09 × 122,474.25
  4. Step 4: Simplify right side
    223,076.25x = 37,703,708,272.81
  5. Step 5: Solve for x
    x = 37,703,708,272.81/223,076.25
  6. Step 6: Final answer
    x = 169,017.13

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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.