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Finding the Fourth Proportional to 240,670.46, 332,020.94 and 145,124.08

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Solution

The fourth proportional to 240,670.46, 332,020.94 and 145,124.08 is: 200,208.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,670.46 : 332,020.94 = 145,124.08 : x
  2. Step 2: Convert to fraction form
    240,670.46/332,020.94 = 145,124.08/x
  3. Step 3: Cross multiply
    240,670.46x = 332,020.94 × 145,124.08
  4. Step 4: Simplify right side
    240,670.46x = 48,184,231,902.56
  5. Step 5: Solve for x
    x = 48,184,231,902.56/240,670.46
  6. Step 6: Final answer
    x = 200,208.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.