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Finding the Fourth Proportional to 245,262.66, 367,890.30 and 67,765.74

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Solution

The fourth proportional to 245,262.66, 367,890.30 and 67,765.74 is: 101,647.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,262.66 : 367,890.30 = 67,765.74 : x
  2. Step 2: Convert to fraction form
    245,262.66/367,890.30 = 67,765.74/x
  3. Step 3: Cross multiply
    245,262.66x = 367,890.30 × 67,765.74
  4. Step 4: Simplify right side
    245,262.66x = 24,930,358,418.32
  5. Step 5: Solve for x
    x = 24,930,358,418.32/245,262.66
  6. Step 6: Final answer
    x = 101,647.59

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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.