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Finding the Fourth Proportional to 255,443.94, 352,523.57 and 142,266.69

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Solution

The fourth proportional to 255,443.94, 352,523.57 and 142,266.69 is: 196,334.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,443.94 : 352,523.57 = 142,266.69 : x
  2. Step 2: Convert to fraction form
    255,443.94/352,523.57 = 142,266.69/x
  3. Step 3: Cross multiply
    255,443.94x = 352,523.57 × 142,266.69
  4. Step 4: Simplify right side
    255,443.94x = 50,152,361,450.88
  5. Step 5: Solve for x
    x = 50,152,361,450.88/255,443.94
  6. Step 6: Final answer
    x = 196,334.12

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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.