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Finding the Fourth Proportional to 73,656.01, 110,466.51 and 20,346.82

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Solution

The fourth proportional to 73,656.01, 110,466.51 and 20,346.82 is: 30,515.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,656.01 : 110,466.51 = 20,346.82 : x
  2. Step 2: Convert to fraction form
    73,656.01/110,466.51 = 20,346.82/x
  3. Step 3: Cross multiply
    73,656.01x = 110,466.51 × 20,346.82
  4. Step 4: Simplify right side
    73,656.01x = 2,247,642,195.00
  5. Step 5: Solve for x
    x = 2,247,642,195.00/73,656.01
  6. Step 6: Final answer
    x = 30,515.39

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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.