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Finding the Fourth Proportional to 226,054.84, 339,129 and 74,263.42

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Solution

The fourth proportional to 226,054.84, 339,129 and 74,263.42 is: 111,410.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,054.84 : 339,129 = 74,263.42 : x
  2. Step 2: Convert to fraction form
    226,054.84/339,129 = 74,263.42/x
  3. Step 3: Cross multiply
    226,054.84x = 339,129 × 74,263.42
  4. Step 4: Simplify right side
    226,054.84x = 25,184,879,361.18
  5. Step 5: Solve for x
    x = 25,184,879,361.18/226,054.84
  6. Step 6: Final answer
    x = 111,410.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.