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Finding the Fourth Proportional to 133,712.41, 184,524.54 and 73,281.72

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Solution

The fourth proportional to 133,712.41, 184,524.54 and 73,281.72 is: 101,129.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,712.41 : 184,524.54 = 73,281.72 : x
  2. Step 2: Convert to fraction form
    133,712.41/184,524.54 = 73,281.72/x
  3. Step 3: Cross multiply
    133,712.41x = 184,524.54 × 73,281.72
  4. Step 4: Simplify right side
    133,712.41x = 13,522,275,673.41
  5. Step 5: Solve for x
    x = 13,522,275,673.41/133,712.41
  6. Step 6: Final answer
    x = 101,129.55

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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.