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Finding the Fourth Proportional to 66,703.31, 100,055.00 and 27,260.39

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Solution

The fourth proportional to 66,703.31, 100,055.00 and 27,260.39 is: 40,890.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,703.31 : 100,055.00 = 27,260.39 : x
  2. Step 2: Convert to fraction form
    66,703.31/100,055.00 = 27,260.39/x
  3. Step 3: Cross multiply
    66,703.31x = 100,055.00 × 27,260.39
  4. Step 4: Simplify right side
    66,703.31x = 2,727,537,889.33
  5. Step 5: Solve for x
    x = 2,727,537,889.33/66,703.31
  6. Step 6: Final answer
    x = 40,890.59

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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.