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Finding the Fourth Proportional to 133,604.16, 184,285.06 and 85,917.84

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Solution

The fourth proportional to 133,604.16, 184,285.06 and 85,917.84 is: 118,509.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,604.16 : 184,285.06 = 85,917.84 : x
  2. Step 2: Convert to fraction form
    133,604.16/184,285.06 = 85,917.84/x
  3. Step 3: Cross multiply
    133,604.16x = 184,285.06 × 85,917.84
  4. Step 4: Simplify right side
    133,604.16x = 15,833,374,299.47
  5. Step 5: Solve for x
    x = 15,833,374,299.47/133,604.16
  6. Step 6: Final answer
    x = 118,509.59

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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.