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Finding the Fourth Proportional to 83,025.60, 124,554.60 and 35,640.60

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Solution

The fourth proportional to 83,025.60, 124,554.60 and 35,640.60 is: 53,467.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,025.60 : 124,554.60 = 35,640.60 : x
  2. Step 2: Convert to fraction form
    83,025.60/124,554.60 = 35,640.60/x
  3. Step 3: Cross multiply
    83,025.60x = 124,554.60 × 35,640.60
  4. Step 4: Simplify right side
    83,025.60x = 4,439,200,676.76
  5. Step 5: Solve for x
    x = 4,439,200,676.76/83,025.60
  6. Step 6: Final answer
    x = 53,467.85

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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.