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Finding the Fourth Proportional to 235,968.45, 353,815.99 and 161,178.98

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Solution

The fourth proportional to 235,968.45, 353,815.99 and 161,178.98 is: 241,675.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,968.45 : 353,815.99 = 161,178.98 : x
  2. Step 2: Convert to fraction form
    235,968.45/353,815.99 = 161,178.98/x
  3. Step 3: Cross multiply
    235,968.45x = 353,815.99 × 161,178.98
  4. Step 4: Simplify right side
    235,968.45x = 57,027,700,375.89
  5. Step 5: Solve for x
    x = 57,027,700,375.89/235,968.45
  6. Step 6: Final answer
    x = 241,675.11

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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.