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Finding the Fourth Proportional to 268,481.93, 370,506.42 and 147,631.01

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Solution

The fourth proportional to 268,481.93, 370,506.42 and 147,631.01 is: 203,731.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,481.93 : 370,506.42 = 147,631.01 : x
  2. Step 2: Convert to fraction form
    268,481.93/370,506.42 = 147,631.01/x
  3. Step 3: Cross multiply
    268,481.93x = 370,506.42 × 147,631.01
  4. Step 4: Simplify right side
    268,481.93x = 54,698,235,143.55
  5. Step 5: Solve for x
    x = 54,698,235,143.55/268,481.93
  6. Step 6: Final answer
    x = 203,731.54

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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.