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Finding the Fourth Proportional to 128,246.44, 192,369.66 and 34,752.22

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Solution

The fourth proportional to 128,246.44, 192,369.66 and 34,752.22 is: 52,128.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,246.44 : 192,369.66 = 34,752.22 : x
  2. Step 2: Convert to fraction form
    128,246.44/192,369.66 = 34,752.22/x
  3. Step 3: Cross multiply
    128,246.44x = 192,369.66 × 34,752.22
  4. Step 4: Simplify right side
    128,246.44x = 6,685,272,745.65
  5. Step 5: Solve for x
    x = 6,685,272,745.65/128,246.44
  6. Step 6: Final answer
    x = 52,128.33

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1.5x scale

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.