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Finding the Fourth Proportional to 240,590.72, 360,910.32 and 82,798.40

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Solution

The fourth proportional to 240,590.72, 360,910.32 and 82,798.40 is: 124,205.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,590.72 : 360,910.32 = 82,798.40 : x
  2. Step 2: Convert to fraction form
    240,590.72/360,910.32 = 82,798.40/x
  3. Step 3: Cross multiply
    240,590.72x = 360,910.32 × 82,798.40
  4. Step 4: Simplify right side
    240,590.72x = 29,882,797,039.49
  5. Step 5: Solve for x
    x = 29,882,797,039.49/240,590.72
  6. Step 6: Final answer
    x = 124,205.94

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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.