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Finding the Fourth Proportional to 122,737.40, 184,106.12 and 33,990.92

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Solution

The fourth proportional to 122,737.40, 184,106.12 and 33,990.92 is: 50,986.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,737.40 : 184,106.12 = 33,990.92 : x
  2. Step 2: Convert to fraction form
    122,737.40/184,106.12 = 33,990.92/x
  3. Step 3: Cross multiply
    122,737.40x = 184,106.12 × 33,990.92
  4. Step 4: Simplify right side
    122,737.40x = 6,257,935,305.95
  5. Step 5: Solve for x
    x = 6,257,935,305.95/122,737.40
  6. Step 6: Final answer
    x = 50,986.38

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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.