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Finding the Fourth Proportional to 74,928.67, 103,404.67 and 43,097.60

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Solution

The fourth proportional to 74,928.67, 103,404.67 and 43,097.60 is: 59,476.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,928.67 : 103,404.67 = 43,097.60 : x
  2. Step 2: Convert to fraction form
    74,928.67/103,404.67 = 43,097.60/x
  3. Step 3: Cross multiply
    74,928.67x = 103,404.67 × 43,097.60
  4. Step 4: Simplify right side
    74,928.67x = 4,456,493,256.56
  5. Step 5: Solve for x
    x = 4,456,493,256.56/74,928.67
  6. Step 6: Final answer
    x = 59,476.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.