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Finding the Fourth Proportional to 119,936, 165,526.26 and 69,635

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Solution

The fourth proportional to 119,936, 165,526.26 and 69,635 is: 96,104.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,936 : 165,526.26 = 69,635 : x
  2. Step 2: Convert to fraction form
    119,936/165,526.26 = 69,635/x
  3. Step 3: Cross multiply
    119,936x = 165,526.26 × 69,635
  4. Step 4: Simplify right side
    119,936x = 11,526,421,115.10
  5. Step 5: Solve for x
    x = 11,526,421,115.10/119,936
  6. Step 6: Final answer
    x = 96,104.77

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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.