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Finding the Fourth Proportional to 265,909.44, 366,941.52 and 145,049.73

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Solution

The fourth proportional to 265,909.44, 366,941.52 and 145,049.73 is: 200,161.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,909.44 : 366,941.52 = 145,049.73 : x
  2. Step 2: Convert to fraction form
    265,909.44/366,941.52 = 145,049.73/x
  3. Step 3: Cross multiply
    265,909.44x = 366,941.52 × 145,049.73
  4. Step 4: Simplify right side
    265,909.44x = 53,224,768,401.79
  5. Step 5: Solve for x
    x = 53,224,768,401.79/265,909.44
  6. Step 6: Final answer
    x = 200,161.26

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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.