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Finding the Fourth Proportional to 265,907.87, 366,955.20 and 145,049.69

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Solution

The fourth proportional to 265,907.87, 366,955.20 and 145,049.69 is: 200,169.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,907.87 : 366,955.20 = 145,049.69 : x
  2. Step 2: Convert to fraction form
    265,907.87/366,955.20 = 145,049.69/x
  3. Step 3: Cross multiply
    265,907.87x = 366,955.20 × 145,049.69
  4. Step 4: Simplify right side
    265,907.87x = 53,226,738,003.89
  5. Step 5: Solve for x
    x = 53,226,738,003.89/265,907.87
  6. Step 6: Final answer
    x = 200,169.85

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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.