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Finding the Fourth Proportional to 121,100.00, 181,659.31 and 36,867.39

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Solution

The fourth proportional to 121,100.00, 181,659.31 and 36,867.39 is: 55,303.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,100.00 : 181,659.31 = 36,867.39 : x
  2. Step 2: Convert to fraction form
    121,100.00/181,659.31 = 36,867.39/x
  3. Step 3: Cross multiply
    121,100.00x = 181,659.31 × 36,867.39
  4. Step 4: Simplify right side
    121,100.00x = 6,697,303,855.51
  5. Step 5: Solve for x
    x = 6,697,303,855.51/121,100.00
  6. Step 6: Final answer
    x = 55,303.92

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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.