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Finding the Fourth Proportional to 184,436.80, 276,655.20 and 105,704.80

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Solution

The fourth proportional to 184,436.80, 276,655.20 and 105,704.80 is: 158,557.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,436.80 : 276,655.20 = 105,704.80 : x
  2. Step 2: Convert to fraction form
    184,436.80/276,655.20 = 105,704.80/x
  3. Step 3: Cross multiply
    184,436.80x = 276,655.20 × 105,704.80
  4. Step 4: Simplify right side
    184,436.80x = 29,243,782,584.96
  5. Step 5: Solve for x
    x = 29,243,782,584.96/184,436.80
  6. Step 6: Final answer
    x = 158,557.20

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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.