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Finding the Fourth Proportional to 235,709.01, 325,285.67 and 133,738.72

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Solution

The fourth proportional to 235,709.01, 325,285.67 and 133,738.72 is: 184,563.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,709.01 : 325,285.67 = 133,738.72 : x
  2. Step 2: Convert to fraction form
    235,709.01/325,285.67 = 133,738.72/x
  3. Step 3: Cross multiply
    235,709.01x = 325,285.67 × 133,738.72
  4. Step 4: Simplify right side
    235,709.01x = 43,503,288,661.28
  5. Step 5: Solve for x
    x = 43,503,288,661.28/235,709.01
  6. Step 6: Final answer
    x = 184,563.54

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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.