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Finding the Fourth Proportional to 100,589.63, 150,654.74 and 48,036.02

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Solution

The fourth proportional to 100,589.63, 150,654.74 and 48,036.02 is: 71,944.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,589.63 : 150,654.74 = 48,036.02 : x
  2. Step 2: Convert to fraction form
    100,589.63/150,654.74 = 48,036.02/x
  3. Step 3: Cross multiply
    100,589.63x = 150,654.74 × 48,036.02
  4. Step 4: Simplify right side
    100,589.63x = 7,236,853,110.28
  5. Step 5: Solve for x
    x = 7,236,853,110.28/100,589.63
  6. Step 6: Final answer
    x = 71,944.33

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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.