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Finding the Fourth Proportional to 230,102.01, 317,556.09 and 139,466.61

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Solution

The fourth proportional to 230,102.01, 317,556.09 and 139,466.61 is: 192,473.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,102.01 : 317,556.09 = 139,466.61 : x
  2. Step 2: Convert to fraction form
    230,102.01/317,556.09 = 139,466.61/x
  3. Step 3: Cross multiply
    230,102.01x = 317,556.09 × 139,466.61
  4. Step 4: Simplify right side
    230,102.01x = 44,288,471,357.15
  5. Step 5: Solve for x
    x = 44,288,471,357.15/230,102.01
  6. Step 6: Final answer
    x = 192,473.21

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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.