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Finding the Fourth Proportional to 346,783.36, 520,193 and 110,144.56

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Solution

The fourth proportional to 346,783.36, 520,193 and 110,144.56 is: 165,222.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,783.36 : 520,193 = 110,144.56 : x
  2. Step 2: Convert to fraction form
    346,783.36/520,193 = 110,144.56/x
  3. Step 3: Cross multiply
    346,783.36x = 520,193 × 110,144.56
  4. Step 4: Simplify right side
    346,783.36x = 57,296,429,100.08
  5. Step 5: Solve for x
    x = 57,296,429,100.08/346,783.36
  6. Step 6: Final answer
    x = 165,222.54

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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.