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Finding the Fourth Proportional to 336,734.59, 505,123.76 and 100,057.45

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Solution

The fourth proportional to 336,734.59, 505,123.76 and 100,057.45 is: 150,092.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,734.59 : 505,123.76 = 100,057.45 : x
  2. Step 2: Convert to fraction form
    336,734.59/505,123.76 = 100,057.45/x
  3. Step 3: Cross multiply
    336,734.59x = 505,123.76 × 100,057.45
  4. Step 4: Simplify right side
    336,734.59x = 50,541,395,360.01
  5. Step 5: Solve for x
    x = 50,541,395,360.01/336,734.59
  6. Step 6: Final answer
    x = 150,092.67

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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.