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Finding the Fourth Proportional to 253,788.96, 350,607.96 and 166,779.84

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Solution

The fourth proportional to 253,788.96, 350,607.96 and 166,779.84 is: 230,405.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,788.96 : 350,607.96 = 166,779.84 : x
  2. Step 2: Convert to fraction form
    253,788.96/350,607.96 = 166,779.84/x
  3. Step 3: Cross multiply
    253,788.96x = 350,607.96 × 166,779.84
  4. Step 4: Simplify right side
    253,788.96x = 58,474,339,471.53
  5. Step 5: Solve for x
    x = 58,474,339,471.53/253,788.96
  6. Step 6: Final answer
    x = 230,405.37

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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.