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Finding the Fourth Proportional to 207,108.22, 310,562.88 and 73,956.82

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Solution

The fourth proportional to 207,108.22, 310,562.88 and 73,956.82 is: 110,899.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,108.22 : 310,562.88 = 73,956.82 : x
  2. Step 2: Convert to fraction form
    207,108.22/310,562.88 = 73,956.82/x
  3. Step 3: Cross multiply
    207,108.22x = 310,562.88 × 73,956.82
  4. Step 4: Simplify right side
    207,108.22x = 22,968,244,040.87
  5. Step 5: Solve for x
    x = 22,968,244,040.87/207,108.22
  6. Step 6: Final answer
    x = 110,899.72

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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.