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Finding the Fourth Proportional to 183,162.60, 274,415.85 and 156,918.60

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Solution

The fourth proportional to 183,162.60, 274,415.85 and 156,918.60 is: 235,096.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,162.60 : 274,415.85 = 156,918.60 : x
  2. Step 2: Convert to fraction form
    183,162.60/274,415.85 = 156,918.60/x
  3. Step 3: Cross multiply
    183,162.60x = 274,415.85 × 156,918.60
  4. Step 4: Simplify right side
    183,162.60x = 43,060,950,999.81
  5. Step 5: Solve for x
    x = 43,060,950,999.81/183,162.60
  6. Step 6: Final answer
    x = 235,096.85

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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.