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Finding the Fourth Proportional to 184,611.70, 276,903.15 and 72,270.10

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Solution

The fourth proportional to 184,611.70, 276,903.15 and 72,270.10 is: 108,399.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,611.70 : 276,903.15 = 72,270.10 : x
  2. Step 2: Convert to fraction form
    184,611.70/276,903.15 = 72,270.10/x
  3. Step 3: Cross multiply
    184,611.70x = 276,903.15 × 72,270.10
  4. Step 4: Simplify right side
    184,611.70x = 20,011,818,340.82
  5. Step 5: Solve for x
    x = 20,011,818,340.82/184,611.70
  6. Step 6: Final answer
    x = 108,399.51

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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.