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Finding the Fourth Proportional to 133,453.88, 184,233 and 76,854.32

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Solution

The fourth proportional to 133,453.88, 184,233 and 76,854.32 is: 106,097.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,453.88 : 184,233 = 76,854.32 : x
  2. Step 2: Convert to fraction form
    133,453.88/184,233 = 76,854.32/x
  3. Step 3: Cross multiply
    133,453.88x = 184,233 × 76,854.32
  4. Step 4: Simplify right side
    133,453.88x = 14,159,101,936.56
  5. Step 5: Solve for x
    x = 14,159,101,936.56/133,453.88
  6. Step 6: Final answer
    x = 106,097.34

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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.