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Finding the Fourth Proportional to 235,412.01, 324,861.81 and 133,446.90

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Solution

The fourth proportional to 235,412.01, 324,861.81 and 133,446.90 is: 184,152.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,412.01 : 324,861.81 = 133,446.90 : x
  2. Step 2: Convert to fraction form
    235,412.01/324,861.81 = 133,446.90/x
  3. Step 3: Cross multiply
    235,412.01x = 324,861.81 × 133,446.90
  4. Step 4: Simplify right side
    235,412.01x = 43,351,801,472.89
  5. Step 5: Solve for x
    x = 43,351,801,472.89/235,412.01
  6. Step 6: Final answer
    x = 184,152.89

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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.