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Finding the Fourth Proportional to 101,956.80, 152,956.80 and 30,873.60

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Solution

The fourth proportional to 101,956.80, 152,956.80 and 30,873.60 is: 46,316.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,956.80 : 152,956.80 = 30,873.60 : x
  2. Step 2: Convert to fraction form
    101,956.80/152,956.80 = 30,873.60/x
  3. Step 3: Cross multiply
    101,956.80x = 152,956.80 × 30,873.60
  4. Step 4: Simplify right side
    101,956.80x = 4,722,327,060.48
  5. Step 5: Solve for x
    x = 4,722,327,060.48/101,956.80
  6. Step 6: Final answer
    x = 46,316.94

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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.