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Finding the Fourth Proportional to 124,357.44, 171,612.70 and 67,768.80

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Solution

The fourth proportional to 124,357.44, 171,612.70 and 67,768.80 is: 93,520.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,357.44 : 171,612.70 = 67,768.80 : x
  2. Step 2: Convert to fraction form
    124,357.44/171,612.70 = 67,768.80/x
  3. Step 3: Cross multiply
    124,357.44x = 171,612.70 × 67,768.80
  4. Step 4: Simplify right side
    124,357.44x = 11,629,986,743.76
  5. Step 5: Solve for x
    x = 11,629,986,743.76/124,357.44
  6. Step 6: Final answer
    x = 93,520.63

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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.