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Finding the Fourth Proportional to 183,156.60, 274,406.85 and 156,912.60

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Solution

The fourth proportional to 183,156.60, 274,406.85 and 156,912.60 is: 235,087.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,156.60 : 274,406.85 = 156,912.60 : x
  2. Step 2: Convert to fraction form
    183,156.60/274,406.85 = 156,912.60/x
  3. Step 3: Cross multiply
    183,156.60x = 274,406.85 × 156,912.60
  4. Step 4: Simplify right side
    183,156.60x = 43,057,892,291.31
  5. Step 5: Solve for x
    x = 43,057,892,291.31/183,156.60
  6. Step 6: Final answer
    x = 235,087.86

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1.5x scale

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.