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Finding the Fourth Proportional to 351,216.92, 526,806.84 and 98,514.83

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Solution

The fourth proportional to 351,216.92, 526,806.84 and 98,514.83 is: 147,767.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,216.92 : 526,806.84 = 98,514.83 : x
  2. Step 2: Convert to fraction form
    351,216.92/526,806.84 = 98,514.83/x
  3. Step 3: Cross multiply
    351,216.92x = 526,806.84 × 98,514.83
  4. Step 4: Simplify right side
    351,216.92x = 51,898,286,285.44
  5. Step 5: Solve for x
    x = 51,898,286,285.44/351,216.92
  6. Step 6: Final answer
    x = 147,767.04

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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.