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Finding the Fourth Proportional to 133,657.80, 184,455.48 and 73,228.56

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Solution

The fourth proportional to 133,657.80, 184,455.48 and 73,228.56 is: 101,059.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,657.80 : 184,455.48 = 73,228.56 : x
  2. Step 2: Convert to fraction form
    133,657.80/184,455.48 = 73,228.56/x
  3. Step 3: Cross multiply
    133,657.80x = 184,455.48 × 73,228.56
  4. Step 4: Simplify right side
    133,657.80x = 13,507,409,184.51
  5. Step 5: Solve for x
    x = 13,507,409,184.51/133,657.80
  6. Step 6: Final answer
    x = 101,059.64

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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.