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Finding the Fourth Proportional to 133,591.69, 184,481.40 and 85,927.78

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Solution

The fourth proportional to 133,591.69, 184,481.40 and 85,927.78 is: 118,660.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,591.69 : 184,481.40 = 85,927.78 : x
  2. Step 2: Convert to fraction form
    133,591.69/184,481.40 = 85,927.78/x
  3. Step 3: Cross multiply
    133,591.69x = 184,481.40 × 85,927.78
  4. Step 4: Simplify right side
    133,591.69x = 15,852,077,153.29
  5. Step 5: Solve for x
    x = 15,852,077,153.29/133,591.69
  6. Step 6: Final answer
    x = 118,660.65

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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.