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Finding the Fourth Proportional to 92,649, 127,825.92 and 56,821.08

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Solution

The fourth proportional to 92,649, 127,825.92 and 56,821.08 is: 78,394.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,649 : 127,825.92 = 56,821.08 : x
  2. Step 2: Convert to fraction form
    92,649/127,825.92 = 56,821.08/x
  3. Step 3: Cross multiply
    92,649x = 127,825.92 × 56,821.08
  4. Step 4: Simplify right side
    92,649x = 7,263,206,826.39
  5. Step 5: Solve for x
    x = 7,263,206,826.39/92,649
  6. Step 6: Final answer
    x = 78,394.88

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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.