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Finding the Fourth Proportional to 203,924.60, 305,886.90 and 156,630.73

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Solution

The fourth proportional to 203,924.60, 305,886.90 and 156,630.73 is: 234,946.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,924.60 : 305,886.90 = 156,630.73 : x
  2. Step 2: Convert to fraction form
    203,924.60/305,886.90 = 156,630.73/x
  3. Step 3: Cross multiply
    203,924.60x = 305,886.90 × 156,630.73
  4. Step 4: Simplify right side
    203,924.60x = 47,911,288,444.44
  5. Step 5: Solve for x
    x = 47,911,288,444.44/203,924.60
  6. Step 6: Final answer
    x = 234,946.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.