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Finding the Fourth Proportional to 73,719.60, 110,552.40 and 23,812.80

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Solution

The fourth proportional to 73,719.60, 110,552.40 and 23,812.80 is: 35,710.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,719.60 : 110,552.40 = 23,812.80 : x
  2. Step 2: Convert to fraction form
    73,719.60/110,552.40 = 23,812.80/x
  3. Step 3: Cross multiply
    73,719.60x = 110,552.40 × 23,812.80
  4. Step 4: Simplify right side
    73,719.60x = 2,632,562,190.72
  5. Step 5: Solve for x
    x = 2,632,562,190.72/73,719.60
  6. Step 6: Final answer
    x = 35,710.48

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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.