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Finding the Fourth Proportional to 203,483.56, 280,748.80 and 117,435.64

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Solution

The fourth proportional to 203,483.56, 280,748.80 and 117,435.64 is: 162,027.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,483.56 : 280,748.80 = 117,435.64 : x
  2. Step 2: Convert to fraction form
    203,483.56/280,748.80 = 117,435.64/x
  3. Step 3: Cross multiply
    203,483.56x = 280,748.80 × 117,435.64
  4. Step 4: Simplify right side
    203,483.56x = 32,969,915,007.23
  5. Step 5: Solve for x
    x = 32,969,915,007.23/203,483.56
  6. Step 6: Final answer
    x = 162,027.41

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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.