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Finding the Fourth Proportional to 119,601.29, 165,051.14 and 65,885.19

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Solution

The fourth proportional to 119,601.29, 165,051.14 and 65,885.19 is: 90,922.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,601.29 : 165,051.14 = 65,885.19 : x
  2. Step 2: Convert to fraction form
    119,601.29/165,051.14 = 65,885.19/x
  3. Step 3: Cross multiply
    119,601.29x = 165,051.14 × 65,885.19
  4. Step 4: Simplify right side
    119,601.29x = 10,874,425,389.19
  5. Step 5: Solve for x
    x = 10,874,425,389.19/119,601.29
  6. Step 6: Final answer
    x = 90,922.31

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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.