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Finding the Fourth Proportional to 73,762.56, 110,650.72 and 29,378.60

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Solution

The fourth proportional to 73,762.56, 110,650.72 and 29,378.60 is: 44,070.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,762.56 : 110,650.72 = 29,378.60 : x
  2. Step 2: Convert to fraction form
    73,762.56/110,650.72 = 29,378.60/x
  3. Step 3: Cross multiply
    73,762.56x = 110,650.72 × 29,378.60
  4. Step 4: Simplify right side
    73,762.56x = 3,250,763,242.59
  5. Step 5: Solve for x
    x = 3,250,763,242.59/73,762.56
  6. Step 6: Final answer
    x = 44,070.64

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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.