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Finding the Fourth Proportional to 265,163.55, 365,920.54 and 147,286.27

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Solution

The fourth proportional to 265,163.55, 365,920.54 and 147,286.27 is: 203,252.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,163.55 : 365,920.54 = 147,286.27 : x
  2. Step 2: Convert to fraction form
    265,163.55/365,920.54 = 147,286.27/x
  3. Step 3: Cross multiply
    265,163.55x = 365,920.54 × 147,286.27
  4. Step 4: Simplify right side
    265,163.55x = 53,895,071,452.99
  5. Step 5: Solve for x
    x = 53,895,071,452.99/265,163.55
  6. Step 6: Final answer
    x = 203,252.19

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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.