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Finding the Fourth Proportional to 169,861.64, 254,798.22 and 45,202.76

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Solution

The fourth proportional to 169,861.64, 254,798.22 and 45,202.76 is: 67,805.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,861.64 : 254,798.22 = 45,202.76 : x
  2. Step 2: Convert to fraction form
    169,861.64/254,798.22 = 45,202.76/x
  3. Step 3: Cross multiply
    169,861.64x = 254,798.22 × 45,202.76
  4. Step 4: Simplify right side
    169,861.64x = 11,517,582,787.09
  5. Step 5: Solve for x
    x = 11,517,582,787.09/169,861.64
  6. Step 6: Final answer
    x = 67,805.67

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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.