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Finding the Fourth Proportional to 265,883.58, 366,920.48 and 145,027.46

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Solution

The fourth proportional to 265,883.58, 366,920.48 and 145,027.46 is: 200,138.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,883.58 : 366,920.48 = 145,027.46 : x
  2. Step 2: Convert to fraction form
    265,883.58/366,920.48 = 145,027.46/x
  3. Step 3: Cross multiply
    265,883.58x = 366,920.48 × 145,027.46
  4. Step 4: Simplify right side
    265,883.58x = 53,213,543,401.78
  5. Step 5: Solve for x
    x = 53,213,543,401.78/265,883.58
  6. Step 6: Final answer
    x = 200,138.51

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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.