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Finding the Fourth Proportional to 203,596.02, 280,986.75 and 117,575.97

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Solution

The fourth proportional to 203,596.02, 280,986.75 and 117,575.97 is: 162,268.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,596.02 : 280,986.75 = 117,575.97 : x
  2. Step 2: Convert to fraction form
    203,596.02/280,986.75 = 117,575.97/x
  3. Step 3: Cross multiply
    203,596.02x = 280,986.75 × 117,575.97
  4. Step 4: Simplify right side
    203,596.02x = 33,037,289,688.40
  5. Step 5: Solve for x
    x = 33,037,289,688.40/203,596.02
  6. Step 6: Final answer
    x = 162,268.84

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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.