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Finding the Fourth Proportional to 88,611.87, 122,291.65 and 50,383.41

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Solution

The fourth proportional to 88,611.87, 122,291.65 and 50,383.41 is: 69,533.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,611.87 : 122,291.65 = 50,383.41 : x
  2. Step 2: Convert to fraction form
    88,611.87/122,291.65 = 50,383.41/x
  3. Step 3: Cross multiply
    88,611.87x = 122,291.65 × 50,383.41
  4. Step 4: Simplify right side
    88,611.87x = 6,161,470,062.70
  5. Step 5: Solve for x
    x = 6,161,470,062.70/88,611.87
  6. Step 6: Final answer
    x = 69,533.24

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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.