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Finding the Fourth Proportional to 100,440.98, 150,684.54 and 44,297.04

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Solution

The fourth proportional to 100,440.98, 150,684.54 and 44,297.04 is: 66,455.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,440.98 : 150,684.54 = 44,297.04 : x
  2. Step 2: Convert to fraction form
    100,440.98/150,684.54 = 44,297.04/x
  3. Step 3: Cross multiply
    100,440.98x = 150,684.54 × 44,297.04
  4. Step 4: Simplify right side
    100,440.98x = 6,674,879,095.76
  5. Step 5: Solve for x
    x = 6,674,879,095.76/100,440.98
  6. Step 6: Final answer
    x = 66,455.73

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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.