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Finding the Fourth Proportional to 265,907.74, 366,955.02 and 145,049.56

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Solution

The fourth proportional to 265,907.74, 366,955.02 and 145,049.56 is: 200,169.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,907.74 : 366,955.02 = 145,049.56 : x
  2. Step 2: Convert to fraction form
    265,907.74/366,955.02 = 145,049.56/x
  3. Step 3: Cross multiply
    265,907.74x = 366,955.02 × 145,049.56
  4. Step 4: Simplify right side
    265,907.74x = 53,226,664,190.79
  5. Step 5: Solve for x
    x = 53,226,664,190.79/265,907.74
  6. Step 6: Final answer
    x = 200,169.67

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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.