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Finding the Fourth Proportional to 100,751.58, 151,180.29 and 44,630.46

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Solution

The fourth proportional to 100,751.58, 151,180.29 and 44,630.46 is: 66,969.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,751.58 : 151,180.29 = 44,630.46 : x
  2. Step 2: Convert to fraction form
    100,751.58/151,180.29 = 44,630.46/x
  3. Step 3: Cross multiply
    100,751.58x = 151,180.29 × 44,630.46
  4. Step 4: Simplify right side
    100,751.58x = 6,747,245,885.63
  5. Step 5: Solve for x
    x = 6,747,245,885.63/100,751.58
  6. Step 6: Final answer
    x = 66,969.13

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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.