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Finding the Fourth Proportional to 155,991.44, 233,962.32 and 43,659.56

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Solution

The fourth proportional to 155,991.44, 233,962.32 and 43,659.56 is: 65,482.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,991.44 : 233,962.32 = 43,659.56 : x
  2. Step 2: Convert to fraction form
    155,991.44/233,962.32 = 43,659.56/x
  3. Step 3: Cross multiply
    155,991.44x = 233,962.32 × 43,659.56
  4. Step 4: Simplify right side
    155,991.44x = 10,214,691,947.78
  5. Step 5: Solve for x
    x = 10,214,691,947.78/155,991.44
  6. Step 6: Final answer
    x = 65,482.39

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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.