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Finding the Fourth Proportional to 336,064.22, 504,096.34 and 99,388.45

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Solution

The fourth proportional to 336,064.22, 504,096.34 and 99,388.45 is: 149,082.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,064.22 : 504,096.34 = 99,388.45 : x
  2. Step 2: Convert to fraction form
    336,064.22/504,096.34 = 99,388.45/x
  3. Step 3: Cross multiply
    336,064.22x = 504,096.34 × 99,388.45
  4. Step 4: Simplify right side
    336,064.22x = 50,101,352,374.56
  5. Step 5: Solve for x
    x = 50,101,352,374.56/336,064.22
  6. Step 6: Final answer
    x = 149,082.67

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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.