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Finding the Fourth Proportional to 203,232.96, 280,598.40 and 126,868.32

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Solution

The fourth proportional to 203,232.96, 280,598.40 and 126,868.32 is: 175,163.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,232.96 : 280,598.40 = 126,868.32 : x
  2. Step 2: Convert to fraction form
    203,232.96/280,598.40 = 126,868.32/x
  3. Step 3: Cross multiply
    203,232.96x = 280,598.40 × 126,868.32
  4. Step 4: Simplify right side
    203,232.96x = 35,599,047,602.69
  5. Step 5: Solve for x
    x = 35,599,047,602.69/203,232.96
  6. Step 6: Final answer
    x = 175,163.75

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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.