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Finding the Fourth Proportional to 119,554.79, 164,979.30 and 68,564.89

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Solution

The fourth proportional to 119,554.79, 164,979.30 and 68,564.89 is: 94,615.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,554.79 : 164,979.30 = 68,564.89 : x
  2. Step 2: Convert to fraction form
    119,554.79/164,979.30 = 68,564.89/x
  3. Step 3: Cross multiply
    119,554.79x = 164,979.30 × 68,564.89
  4. Step 4: Simplify right side
    119,554.79x = 11,311,787,144.33
  5. Step 5: Solve for x
    x = 11,311,787,144.33/119,554.79
  6. Step 6: Final answer
    x = 94,615.92

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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.