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Finding the Fourth Proportional to 183,154.60, 274,403.85 and 156,910.60

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Solution

The fourth proportional to 183,154.60, 274,403.85 and 156,910.60 is: 235,084.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,154.60 : 274,403.85 = 156,910.60 : x
  2. Step 2: Convert to fraction form
    183,154.60/274,403.85 = 156,910.60/x
  3. Step 3: Cross multiply
    183,154.60x = 274,403.85 × 156,910.60
  4. Step 4: Simplify right side
    183,154.60x = 43,056,872,745.81
  5. Step 5: Solve for x
    x = 43,056,872,745.81/183,154.60
  6. Step 6: Final answer
    x = 235,084.86

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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.