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Finding the Fourth Proportional to 79,890.96, 110,254.56 and 45,910.32

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Solution

The fourth proportional to 79,890.96, 110,254.56 and 45,910.32 is: 63,359.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,890.96 : 110,254.56 = 45,910.32 : x
  2. Step 2: Convert to fraction form
    79,890.96/110,254.56 = 45,910.32/x
  3. Step 3: Cross multiply
    79,890.96x = 110,254.56 × 45,910.32
  4. Step 4: Simplify right side
    79,890.96x = 5,061,822,131.06
  5. Step 5: Solve for x
    x = 5,061,822,131.06/79,890.96
  6. Step 6: Final answer
    x = 63,359.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.