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Finding the Fourth Proportional to 99,476.44, 137,277.48 and 54,764.44

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Solution

The fourth proportional to 99,476.44, 137,277.48 and 54,764.44 is: 75,574.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,476.44 : 137,277.48 = 54,764.44 : x
  2. Step 2: Convert to fraction form
    99,476.44/137,277.48 = 54,764.44/x
  3. Step 3: Cross multiply
    99,476.44x = 137,277.48 × 54,764.44
  4. Step 4: Simplify right side
    99,476.44x = 7,517,924,178.98
  5. Step 5: Solve for x
    x = 7,517,924,178.98/99,476.44
  6. Step 6: Final answer
    x = 75,574.92

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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.