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Finding the Fourth Proportional to 73,981.44, 102,094.56 and 40,449.60

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Solution

The fourth proportional to 73,981.44, 102,094.56 and 40,449.60 is: 55,820.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,981.44 : 102,094.56 = 40,449.60 : x
  2. Step 2: Convert to fraction form
    73,981.44/102,094.56 = 40,449.60/x
  3. Step 3: Cross multiply
    73,981.44x = 102,094.56 × 40,449.60
  4. Step 4: Simplify right side
    73,981.44x = 4,129,684,114.18
  5. Step 5: Solve for x
    x = 4,129,684,114.18/73,981.44
  6. Step 6: Final answer
    x = 55,820.54

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1.5x scale

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.