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Finding the Fourth Proportional to 225,549.35, 311,209.67 and 133,697.60

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Solution

The fourth proportional to 225,549.35, 311,209.67 and 133,697.60 is: 184,473.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,549.35 : 311,209.67 = 133,697.60 : x
  2. Step 2: Convert to fraction form
    225,549.35/311,209.67 = 133,697.60/x
  3. Step 3: Cross multiply
    225,549.35x = 311,209.67 × 133,697.60
  4. Step 4: Simplify right side
    225,549.35x = 41,607,985,168.97
  5. Step 5: Solve for x
    x = 41,607,985,168.97/225,549.35
  6. Step 6: Final answer
    x = 184,473.97

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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.