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Finding the Fourth Proportional to 124,356.44, 171,611.32 and 67,767.80

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Solution

The fourth proportional to 124,356.44, 171,611.32 and 67,767.80 is: 93,519.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,356.44 : 171,611.32 = 67,767.80 : x
  2. Step 2: Convert to fraction form
    124,356.44/171,611.32 = 67,767.80/x
  3. Step 3: Cross multiply
    124,356.44x = 171,611.32 × 67,767.80
  4. Step 4: Simplify right side
    124,356.44x = 11,629,721,611.50
  5. Step 5: Solve for x
    x = 11,629,721,611.50/124,356.44
  6. Step 6: Final answer
    x = 93,519.25

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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.