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Finding the Fourth Proportional to 230,260.23, 317,674.85 and 139,550.76

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Solution

The fourth proportional to 230,260.23, 317,674.85 and 139,550.76 is: 192,528.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,260.23 : 317,674.85 = 139,550.76 : x
  2. Step 2: Convert to fraction form
    230,260.23/317,674.85 = 139,550.76/x
  3. Step 3: Cross multiply
    230,260.23x = 317,674.85 × 139,550.76
  4. Step 4: Simplify right side
    230,260.23x = 44,331,766,052.63
  5. Step 5: Solve for x
    x = 44,331,766,052.63/230,260.23
  6. Step 6: Final answer
    x = 192,528.97

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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.