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Finding the Fourth Proportional to 133,530.56, 184,271.28 and 73,100

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Solution

The fourth proportional to 133,530.56, 184,271.28 and 73,100 is: 100,877.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,530.56 : 184,271.28 = 73,100 : x
  2. Step 2: Convert to fraction form
    133,530.56/184,271.28 = 73,100/x
  3. Step 3: Cross multiply
    133,530.56x = 184,271.28 × 73,100
  4. Step 4: Simplify right side
    133,530.56x = 13,470,230,568
  5. Step 5: Solve for x
    x = 13,470,230,568/133,530.56
  6. Step 6: Final answer
    x = 100,877.51

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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.