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Finding the Fourth Proportional to 216,567.98, 298,855.22 and 119,765.54

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Solution

The fourth proportional to 216,567.98, 298,855.22 and 119,765.54 is: 165,271.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,567.98 : 298,855.22 = 119,765.54 : x
  2. Step 2: Convert to fraction form
    216,567.98/298,855.22 = 119,765.54/x
  3. Step 3: Cross multiply
    216,567.98x = 298,855.22 × 119,765.54
  4. Step 4: Simplify right side
    216,567.98x = 35,792,555,946.05
  5. Step 5: Solve for x
    x = 35,792,555,946.05/216,567.98
  6. Step 6: Final answer
    x = 165,271.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.