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Finding the Fourth Proportional to 119,362.64, 179,055.65 and 43,481.80

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Solution

The fourth proportional to 119,362.64, 179,055.65 and 43,481.80 is: 65,226.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,362.64 : 179,055.65 = 43,481.80 : x
  2. Step 2: Convert to fraction form
    119,362.64/179,055.65 = 43,481.80/x
  3. Step 3: Cross multiply
    119,362.64x = 179,055.65 × 43,481.80
  4. Step 4: Simplify right side
    119,362.64x = 7,785,661,962.17
  5. Step 5: Solve for x
    x = 7,785,661,962.17/119,362.64
  6. Step 6: Final answer
    x = 65,226.96

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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.