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Finding the Fourth Proportional to 169,536.60, 254,450.70 and 74,912.40

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Solution

The fourth proportional to 169,536.60, 254,450.70 and 74,912.40 is: 112,433.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,536.60 : 254,450.70 = 74,912.40 : x
  2. Step 2: Convert to fraction form
    169,536.60/254,450.70 = 74,912.40/x
  3. Step 3: Cross multiply
    169,536.60x = 254,450.70 × 74,912.40
  4. Step 4: Simplify right side
    169,536.60x = 19,061,512,618.68
  5. Step 5: Solve for x
    x = 19,061,512,618.68/169,536.60
  6. Step 6: Final answer
    x = 112,433.02

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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.