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Finding the Fourth Proportional to 235,230.72, 324,669.72 and 144,664.60

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Solution

The fourth proportional to 235,230.72, 324,669.72 and 144,664.60 is: 199,668.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,230.72 : 324,669.72 = 144,664.60 : x
  2. Step 2: Convert to fraction form
    235,230.72/324,669.72 = 144,664.60/x
  3. Step 3: Cross multiply
    235,230.72x = 324,669.72 × 144,664.60
  4. Step 4: Simplify right side
    235,230.72x = 46,968,215,175.91
  5. Step 5: Solve for x
    x = 46,968,215,175.91/235,230.72
  6. Step 6: Final answer
    x = 199,668.71

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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.