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Finding the Fourth Proportional to 329,693.96, 494,535.55 and 105,051.36

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Solution

The fourth proportional to 329,693.96, 494,535.55 and 105,051.36 is: 157,575.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,693.96 : 494,535.55 = 105,051.36 : x
  2. Step 2: Convert to fraction form
    329,693.96/494,535.55 = 105,051.36/x
  3. Step 3: Cross multiply
    329,693.96x = 494,535.55 × 105,051.36
  4. Step 4: Simplify right side
    329,693.96x = 51,951,633,884.70
  5. Step 5: Solve for x
    x = 51,951,633,884.70/329,693.96
  6. Step 6: Final answer
    x = 157,575.33

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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.