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Finding the Fourth Proportional to 169,889.67, 254,832.89 and 45,230.67

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Solution

The fourth proportional to 169,889.67, 254,832.89 and 45,230.67 is: 67,845.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,889.67 : 254,832.89 = 45,230.67 : x
  2. Step 2: Convert to fraction form
    169,889.67/254,832.89 = 45,230.67/x
  3. Step 3: Cross multiply
    169,889.67x = 254,832.89 × 45,230.67
  4. Step 4: Simplify right side
    169,889.67x = 11,526,262,126.58
  5. Step 5: Solve for x
    x = 11,526,262,126.58/169,889.67
  6. Step 6: Final answer
    x = 67,845.57

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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.