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Finding the Fourth Proportional to 230,550.86, 318,112.07 and 139,954.52

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Solution

The fourth proportional to 230,550.86, 318,112.07 and 139,954.52 is: 193,108.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,550.86 : 318,112.07 = 139,954.52 : x
  2. Step 2: Convert to fraction form
    230,550.86/318,112.07 = 139,954.52/x
  3. Step 3: Cross multiply
    230,550.86x = 318,112.07 × 139,954.52
  4. Step 4: Simplify right side
    230,550.86x = 44,521,222,158.56
  5. Step 5: Solve for x
    x = 44,521,222,158.56/230,550.86
  6. Step 6: Final answer
    x = 193,108.03

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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.