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Finding the Fourth Proportional to 118,149.84, 177,172.92 and 44,226

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Solution

The fourth proportional to 118,149.84, 177,172.92 and 44,226 is: 66,319.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,149.84 : 177,172.92 = 44,226 : x
  2. Step 2: Convert to fraction form
    118,149.84/177,172.92 = 44,226/x
  3. Step 3: Cross multiply
    118,149.84x = 177,172.92 × 44,226
  4. Step 4: Simplify right side
    118,149.84x = 7,835,649,559.92
  5. Step 5: Solve for x
    x = 7,835,649,559.92/118,149.84
  6. Step 6: Final answer
    x = 66,319.60

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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.