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Finding the Fourth Proportional to 133,608.42, 184,379.22 and 75,458.79

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Solution

The fourth proportional to 133,608.42, 184,379.22 and 75,458.79 is: 104,132.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,608.42 : 184,379.22 = 75,458.79 : x
  2. Step 2: Convert to fraction form
    133,608.42/184,379.22 = 75,458.79/x
  3. Step 3: Cross multiply
    133,608.42x = 184,379.22 × 75,458.79
  4. Step 4: Simplify right side
    133,608.42x = 13,913,032,842.34
  5. Step 5: Solve for x
    x = 13,913,032,842.34/133,608.42
  6. Step 6: Final answer
    x = 104,132.90

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1.5x scale

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.