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Finding the Fourth Proportional to 275,113.40, 412,703.94 and 106,636.52

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Solution

The fourth proportional to 275,113.40, 412,703.94 and 106,636.52 is: 159,967.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,113.40 : 412,703.94 = 106,636.52 : x
  2. Step 2: Convert to fraction form
    275,113.40/412,703.94 = 106,636.52/x
  3. Step 3: Cross multiply
    275,113.40x = 412,703.94 × 106,636.52
  4. Step 4: Simplify right side
    275,113.40x = 44,009,311,951.89
  5. Step 5: Solve for x
    x = 44,009,311,951.89/275,113.40
  6. Step 6: Final answer
    x = 159,967.90

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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.