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Finding the Fourth Proportional to 73,909.00, 110,870.77 and 19,873.01

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Solution

The fourth proportional to 73,909.00, 110,870.77 and 19,873.01 is: 29,811.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,909.00 : 110,870.77 = 19,873.01 : x
  2. Step 2: Convert to fraction form
    73,909.00/110,870.77 = 19,873.01/x
  3. Step 3: Cross multiply
    73,909.00x = 110,870.77 × 19,873.01
  4. Step 4: Simplify right side
    73,909.00x = 2,203,335,316.88
  5. Step 5: Solve for x
    x = 2,203,335,316.88/73,909.00
  6. Step 6: Final answer
    x = 29,811.46

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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.