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Finding the Fourth Proportional to 73,781.20, 110,657.40 and 24,533.20

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Solution

The fourth proportional to 73,781.20, 110,657.40 and 24,533.20 is: 36,795.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,781.20 : 110,657.40 = 24,533.20 : x
  2. Step 2: Convert to fraction form
    73,781.20/110,657.40 = 24,533.20/x
  3. Step 3: Cross multiply
    73,781.20x = 110,657.40 × 24,533.20
  4. Step 4: Simplify right side
    73,781.20x = 2,714,780,125.68
  5. Step 5: Solve for x
    x = 2,714,780,125.68/73,781.20
  6. Step 6: Final answer
    x = 36,795.01

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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.