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Finding the Fourth Proportional to 73,698.56, 110,571.20 and 26,312.62

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Solution

The fourth proportional to 73,698.56, 110,571.20 and 26,312.62 is: 39,477.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,698.56 : 110,571.20 = 26,312.62 : x
  2. Step 2: Convert to fraction form
    73,698.56/110,571.20 = 26,312.62/x
  3. Step 3: Cross multiply
    73,698.56x = 110,571.20 × 26,312.62
  4. Step 4: Simplify right side
    73,698.56x = 2,909,417,757.90
  5. Step 5: Solve for x
    x = 2,909,417,757.90/73,698.56
  6. Step 6: Final answer
    x = 39,477.27

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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.