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Finding the Fourth Proportional to 119,493.91, 164,903.67 and 68,514.94

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Solution

The fourth proportional to 119,493.91, 164,903.67 and 68,514.94 is: 94,551.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,493.91 : 164,903.67 = 68,514.94 : x
  2. Step 2: Convert to fraction form
    119,493.91/164,903.67 = 68,514.94/x
  3. Step 3: Cross multiply
    119,493.91x = 164,903.67 × 68,514.94
  4. Step 4: Simplify right side
    119,493.91x = 11,298,364,643.57
  5. Step 5: Solve for x
    x = 11,298,364,643.57/119,493.91
  6. Step 6: Final answer
    x = 94,551.81

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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.