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Finding the Fourth Proportional to 133,948.68, 184,874.66 and 88,627.56

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Solution

The fourth proportional to 133,948.68, 184,874.66 and 88,627.56 is: 122,322.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,948.68 : 184,874.66 = 88,627.56 : x
  2. Step 2: Convert to fraction form
    133,948.68/184,874.66 = 88,627.56/x
  3. Step 3: Cross multiply
    133,948.68x = 184,874.66 × 88,627.56
  4. Step 4: Simplify right side
    133,948.68x = 16,384,990,021.63
  5. Step 5: Solve for x
    x = 16,384,990,021.63/133,948.68
  6. Step 6: Final answer
    x = 122,322.89

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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.