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Finding the Fourth Proportional to 169,843.56, 254,765.76 and 45,184.56

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Solution

The fourth proportional to 169,843.56, 254,765.76 and 45,184.56 is: 67,776.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,843.56 : 254,765.76 = 45,184.56 : x
  2. Step 2: Convert to fraction form
    169,843.56/254,765.76 = 45,184.56/x
  3. Step 3: Cross multiply
    169,843.56x = 254,765.76 × 45,184.56
  4. Step 4: Simplify right side
    169,843.56x = 11,511,478,768.67
  5. Step 5: Solve for x
    x = 11,511,478,768.67/169,843.56
  6. Step 6: Final answer
    x = 67,776.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.