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Finding the Fourth Proportional to 174,999.88, 262,383.18 and 85,018.60

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Solution

The fourth proportional to 174,999.88, 262,383.18 and 85,018.60 is: 127,471.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,999.88 : 262,383.18 = 85,018.60 : x
  2. Step 2: Convert to fraction form
    174,999.88/262,383.18 = 85,018.60/x
  3. Step 3: Cross multiply
    174,999.88x = 262,383.18 × 85,018.60
  4. Step 4: Simplify right side
    174,999.88x = 22,307,450,627.15
  5. Step 5: Solve for x
    x = 22,307,450,627.15/174,999.88
  6. Step 6: Final answer
    x = 127,471.23

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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.