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Finding the Fourth Proportional to 336,076.10, 504,114.15 and 149,087.60

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Solution

The fourth proportional to 336,076.10, 504,114.15 and 149,087.60 is: 223,631.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,076.10 : 504,114.15 = 149,087.60 : x
  2. Step 2: Convert to fraction form
    336,076.10/504,114.15 = 149,087.60/x
  3. Step 3: Cross multiply
    336,076.10x = 504,114.15 × 149,087.60
  4. Step 4: Simplify right side
    336,076.10x = 75,157,168,749.54
  5. Step 5: Solve for x
    x = 75,157,168,749.54/336,076.10
  6. Step 6: Final answer
    x = 223,631.40

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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.