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Finding the Fourth Proportional to 100,804.44, 150,999.24 and 59,151

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Solution

The fourth proportional to 100,804.44, 150,999.24 and 59,151 is: 88,604.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,804.44 : 150,999.24 = 59,151 : x
  2. Step 2: Convert to fraction form
    100,804.44/150,999.24 = 59,151/x
  3. Step 3: Cross multiply
    100,804.44x = 150,999.24 × 59,151
  4. Step 4: Simplify right side
    100,804.44x = 8,931,756,045.24
  5. Step 5: Solve for x
    x = 8,931,756,045.24/100,804.44
  6. Step 6: Final answer
    x = 88,604.79

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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.