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Finding the Fourth Proportional to 245,372.55, 368,062.46 and 161,668.77

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Solution

The fourth proportional to 245,372.55, 368,062.46 and 161,668.77 is: 242,505.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,372.55 : 368,062.46 = 161,668.77 : x
  2. Step 2: Convert to fraction form
    245,372.55/368,062.46 = 161,668.77/x
  3. Step 3: Cross multiply
    245,372.55x = 368,062.46 × 161,668.77
  4. Step 4: Simplify right side
    245,372.55x = 59,504,205,191.37
  5. Step 5: Solve for x
    x = 59,504,205,191.37/245,372.55
  6. Step 6: Final answer
    x = 242,505.55

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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.