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Finding the Fourth Proportional to 176,062.60, 263,627.34 and 105,845.32

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Solution

The fourth proportional to 176,062.60, 263,627.34 and 105,845.32 is: 158,487.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,062.60 : 263,627.34 = 105,845.32 : x
  2. Step 2: Convert to fraction form
    176,062.60/263,627.34 = 105,845.32/x
  3. Step 3: Cross multiply
    176,062.60x = 263,627.34 × 105,845.32
  4. Step 4: Simplify right side
    176,062.60x = 27,903,720,163.05
  5. Step 5: Solve for x
    x = 27,903,720,163.05/176,062.60
  6. Step 6: Final answer
    x = 158,487.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.