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Finding the Fourth Proportional to 294,939.46, 407,051.07 and 167,634.19

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Solution

The fourth proportional to 294,939.46, 407,051.07 and 167,634.19 is: 231,354.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,939.46 : 407,051.07 = 167,634.19 : x
  2. Step 2: Convert to fraction form
    294,939.46/407,051.07 = 167,634.19/x
  3. Step 3: Cross multiply
    294,939.46x = 407,051.07 × 167,634.19
  4. Step 4: Simplify right side
    294,939.46x = 68,235,674,372.83
  5. Step 5: Solve for x
    x = 68,235,674,372.83/294,939.46
  6. Step 6: Final answer
    x = 231,354.85

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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.