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Finding the Fourth Proportional to 100,804.40, 151,200.56 and 44,628.08

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Solution

The fourth proportional to 100,804.40, 151,200.56 and 44,628.08 is: 66,939.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,804.40 : 151,200.56 = 44,628.08 : x
  2. Step 2: Convert to fraction form
    100,804.40/151,200.56 = 44,628.08/x
  3. Step 3: Cross multiply
    100,804.40x = 151,200.56 × 44,628.08
  4. Step 4: Simplify right side
    100,804.40x = 6,747,790,687.72
  5. Step 5: Solve for x
    x = 6,747,790,687.72/100,804.40
  6. Step 6: Final answer
    x = 66,939.45

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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.