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Finding the Fourth Proportional to 119,975, 165,565.50 and 69,677.24

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Solution

The fourth proportional to 119,975, 165,565.50 and 69,677.24 is: 96,154.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,975 : 165,565.50 = 69,677.24 : x
  2. Step 2: Convert to fraction form
    119,975/165,565.50 = 69,677.24/x
  3. Step 3: Cross multiply
    119,975x = 165,565.50 × 69,677.24
  4. Step 4: Simplify right side
    119,975x = 11,536,147,079.22
  5. Step 5: Solve for x
    x = 11,536,147,079.22/119,975
  6. Step 6: Final answer
    x = 96,154.59

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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.