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Finding the Fourth Proportional to 119,511.11, 164,922.14 and 65,796.53

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Solution

The fourth proportional to 119,511.11, 164,922.14 and 65,796.53 is: 90,797.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,511.11 : 164,922.14 = 65,796.53 : x
  2. Step 2: Convert to fraction form
    119,511.11/164,922.14 = 65,796.53/x
  3. Step 3: Cross multiply
    119,511.11x = 164,922.14 × 65,796.53
  4. Step 4: Simplify right side
    119,511.11x = 10,851,304,615.50
  5. Step 5: Solve for x
    x = 10,851,304,615.50/119,511.11
  6. Step 6: Final answer
    x = 90,797.45

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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.