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Finding the Fourth Proportional to 88,611.93, 122,291.73 and 50,383.49

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Solution

The fourth proportional to 88,611.93, 122,291.73 and 50,383.49 is: 69,533.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,611.93 : 122,291.73 = 50,383.49 : x
  2. Step 2: Convert to fraction form
    88,611.93/122,291.73 = 50,383.49/x
  3. Step 3: Cross multiply
    88,611.93x = 122,291.73 × 50,383.49
  4. Step 4: Simplify right side
    88,611.93x = 6,161,483,544.08
  5. Step 5: Solve for x
    x = 6,161,483,544.08/88,611.93
  6. Step 6: Final answer
    x = 69,533.34

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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.