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Finding the Fourth Proportional to 216,310.67, 298,514.74 and 119,520.76

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Solution

The fourth proportional to 216,310.67, 298,514.74 and 119,520.76 is: 164,941.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,310.67 : 298,514.74 = 119,520.76 : x
  2. Step 2: Convert to fraction form
    216,310.67/298,514.74 = 119,520.76/x
  3. Step 3: Cross multiply
    216,310.67x = 298,514.74 × 119,520.76
  4. Step 4: Simplify right side
    216,310.67x = 35,678,708,596.00
  5. Step 5: Solve for x
    x = 35,678,708,596.00/216,310.67
  6. Step 6: Final answer
    x = 164,941.97

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Double scale
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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.