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Finding the Fourth Proportional to 73,305, 109,957.50 and 26,557.88

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Solution

The fourth proportional to 73,305, 109,957.50 and 26,557.88 is: 39,836.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,305 : 109,957.50 = 26,557.88 : x
  2. Step 2: Convert to fraction form
    73,305/109,957.50 = 26,557.88/x
  3. Step 3: Cross multiply
    73,305x = 109,957.50 × 26,557.88
  4. Step 4: Simplify right side
    73,305x = 2,920,237,540.31
  5. Step 5: Solve for x
    x = 2,920,237,540.31/73,305
  6. Step 6: Final answer
    x = 39,836.81

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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.