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Finding the Fourth Proportional to 119,393.42, 164,768.46 and 65,677.46

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Solution

The fourth proportional to 119,393.42, 164,768.46 and 65,677.46 is: 90,637.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,393.42 : 164,768.46 = 65,677.46 : x
  2. Step 2: Convert to fraction form
    119,393.42/164,768.46 = 65,677.46/x
  3. Step 3: Cross multiply
    119,393.42x = 164,768.46 × 65,677.46
  4. Step 4: Simplify right side
    119,393.42x = 10,821,573,940.91
  5. Step 5: Solve for x
    x = 10,821,573,940.91/119,393.42
  6. Step 6: Final answer
    x = 90,637.94

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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.