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Finding the Fourth Proportional to 119,519.57, 164,946.53 and 68,536.97

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Solution

The fourth proportional to 119,519.57, 164,946.53 and 68,536.97 is: 94,586.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,519.57 : 164,946.53 = 68,536.97 : x
  2. Step 2: Convert to fraction form
    119,519.57/164,946.53 = 68,536.97/x
  3. Step 3: Cross multiply
    119,519.57x = 164,946.53 × 68,536.97
  4. Step 4: Simplify right side
    119,519.57x = 11,304,935,035.53
  5. Step 5: Solve for x
    x = 11,304,935,035.53/119,519.57
  6. Step 6: Final answer
    x = 94,586.48

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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.