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Finding the Fourth Proportional to 215,305.25, 297,173.96 and 166,811.25

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Solution

The fourth proportional to 215,305.25, 297,173.96 and 166,811.25 is: 230,240.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,305.25 : 297,173.96 = 166,811.25 : x
  2. Step 2: Convert to fraction form
    215,305.25/297,173.96 = 166,811.25/x
  3. Step 3: Cross multiply
    215,305.25x = 297,173.96 × 166,811.25
  4. Step 4: Simplify right side
    215,305.25x = 49,571,960,152.08
  5. Step 5: Solve for x
    x = 49,571,960,152.08/215,305.25
  6. Step 6: Final answer
    x = 230,240.37

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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.