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Finding the Fourth Proportional to 235,967.45, 353,814.49 and 161,177.98

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Solution

The fourth proportional to 235,967.45, 353,814.49 and 161,177.98 is: 241,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,967.45 : 353,814.49 = 161,177.98 : x
  2. Step 2: Convert to fraction form
    235,967.45/353,814.49 = 161,177.98/x
  3. Step 3: Cross multiply
    235,967.45x = 353,814.49 × 161,177.98
  4. Step 4: Simplify right side
    235,967.45x = 57,027,103,505.45
  5. Step 5: Solve for x
    x = 57,027,103,505.45/235,967.45
  6. Step 6: Final answer
    x = 241,673.60

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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.