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Finding the Fourth Proportional to 255,536.92, 352,682.94 and 142,396.12

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Solution

The fourth proportional to 255,536.92, 352,682.94 and 142,396.12 is: 196,530.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,536.92 : 352,682.94 = 142,396.12 : x
  2. Step 2: Convert to fraction form
    255,536.92/352,682.94 = 142,396.12/x
  3. Step 3: Cross multiply
    255,536.92x = 352,682.94 × 142,396.12
  4. Step 4: Simplify right side
    255,536.92x = 50,220,682,246.19
  5. Step 5: Solve for x
    x = 50,220,682,246.19/255,536.92
  6. Step 6: Final answer
    x = 196,530.04

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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.