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Finding the Fourth Proportional to 133,886, 184,756.56 and 73,455.39

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Solution

The fourth proportional to 133,886, 184,756.56 and 73,455.39 is: 101,365.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,886 : 184,756.56 = 73,455.39 : x
  2. Step 2: Convert to fraction form
    133,886/184,756.56 = 73,455.39/x
  3. Step 3: Cross multiply
    133,886x = 184,756.56 × 73,455.39
  4. Step 4: Simplify right side
    133,886x = 13,571,365,169.86
  5. Step 5: Solve for x
    x = 13,571,365,169.86/133,886
  6. Step 6: Final answer
    x = 101,365.08

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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.