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Finding the Fourth Proportional to 245,456.70, 368,379.45 and 95,768.70

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Solution

The fourth proportional to 245,456.70, 368,379.45 and 95,768.70 is: 143,728.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,456.70 : 368,379.45 = 95,768.70 : x
  2. Step 2: Convert to fraction form
    245,456.70/368,379.45 = 95,768.70/x
  3. Step 3: Cross multiply
    245,456.70x = 368,379.45 × 95,768.70
  4. Step 4: Simplify right side
    245,456.70x = 35,279,221,033.22
  5. Step 5: Solve for x
    x = 35,279,221,033.22/245,456.70
  6. Step 6: Final answer
    x = 143,728.90

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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.