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Finding the Fourth Proportional to 175,093.60, 262,640.40 and 108,738.40

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Solution

The fourth proportional to 175,093.60, 262,640.40 and 108,738.40 is: 163,107.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,093.60 : 262,640.40 = 108,738.40 : x
  2. Step 2: Convert to fraction form
    175,093.60/262,640.40 = 108,738.40/x
  3. Step 3: Cross multiply
    175,093.60x = 262,640.40 × 108,738.40
  4. Step 4: Simplify right side
    175,093.60x = 28,559,096,871.36
  5. Step 5: Solve for x
    x = 28,559,096,871.36/175,093.60
  6. Step 6: Final answer
    x = 163,107.60

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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.