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Finding the Fourth Proportional to 133,542.74, 184,289.52 and 73,119

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Solution

The fourth proportional to 133,542.74, 184,289.52 and 73,119 is: 100,904.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,542.74 : 184,289.52 = 73,119 : x
  2. Step 2: Convert to fraction form
    133,542.74/184,289.52 = 73,119/x
  3. Step 3: Cross multiply
    133,542.74x = 184,289.52 × 73,119
  4. Step 4: Simplify right side
    133,542.74x = 13,475,065,412.88
  5. Step 5: Solve for x
    x = 13,475,065,412.88/133,542.74
  6. Step 6: Final answer
    x = 100,904.52

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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.