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Finding the Fourth Proportional to 122,737.90, 184,106.87 and 33,991.42

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Solution

The fourth proportional to 122,737.90, 184,106.87 and 33,991.42 is: 50,987.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,737.90 : 184,106.87 = 33,991.42 : x
  2. Step 2: Convert to fraction form
    122,737.90/184,106.87 = 33,991.42/x
  3. Step 3: Cross multiply
    122,737.90x = 184,106.87 × 33,991.42
  4. Step 4: Simplify right side
    122,737.90x = 6,258,052,852.56
  5. Step 5: Solve for x
    x = 6,258,052,852.56/122,737.90
  6. Step 6: Final answer
    x = 50,987.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.