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Finding the Fourth Proportional to 501,046.71, 751,559.40 and 121,969.41

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Solution

The fourth proportional to 501,046.71, 751,559.40 and 121,969.41 is: 182,951.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,046.71 : 751,559.40 = 121,969.41 : x
  2. Step 2: Convert to fraction form
    501,046.71/751,559.40 = 121,969.41/x
  3. Step 3: Cross multiply
    501,046.71x = 751,559.40 × 121,969.41
  4. Step 4: Simplify right side
    501,046.71x = 91,667,256,597.95
  5. Step 5: Solve for x
    x = 91,667,256,597.95/501,046.71
  6. Step 6: Final answer
    x = 182,951.52

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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.