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Finding the Fourth Proportional to 73,641.72, 110,475.54 and 26,959.80

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Solution

The fourth proportional to 73,641.72, 110,475.54 and 26,959.80 is: 40,444.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,641.72 : 110,475.54 = 26,959.80 : x
  2. Step 2: Convert to fraction form
    73,641.72/110,475.54 = 26,959.80/x
  3. Step 3: Cross multiply
    73,641.72x = 110,475.54 × 26,959.80
  4. Step 4: Simplify right side
    73,641.72x = 2,978,398,463.29
  5. Step 5: Solve for x
    x = 2,978,398,463.29/73,641.72
  6. Step 6: Final answer
    x = 40,444.44

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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.