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Finding the Fourth Proportional to 235,306.84, 324,722.53 and 133,351.73

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Solution

The fourth proportional to 235,306.84, 324,722.53 and 133,351.73 is: 184,024.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,306.84 : 324,722.53 = 133,351.73 : x
  2. Step 2: Convert to fraction form
    235,306.84/324,722.53 = 133,351.73/x
  3. Step 3: Cross multiply
    235,306.84x = 324,722.53 × 133,351.73
  4. Step 4: Simplify right side
    235,306.84x = 43,302,311,145.48
  5. Step 5: Solve for x
    x = 43,302,311,145.48/235,306.84
  6. Step 6: Final answer
    x = 184,024.87

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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.