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Finding the Fourth Proportional to 92,080.84, 127,066.18 and 51,243.88

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Solution

The fourth proportional to 92,080.84, 127,066.18 and 51,243.88 is: 70,713.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,080.84 : 127,066.18 = 51,243.88 : x
  2. Step 2: Convert to fraction form
    92,080.84/127,066.18 = 51,243.88/x
  3. Step 3: Cross multiply
    92,080.84x = 127,066.18 × 51,243.88
  4. Step 4: Simplify right side
    92,080.84x = 6,511,364,079.98
  5. Step 5: Solve for x
    x = 6,511,364,079.98/92,080.84
  6. Step 6: Final answer
    x = 70,713.56

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Why These Related Problems?

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