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Finding the Fourth Proportional to 119,953, 165,549.72 and 69,652

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Solution

The fourth proportional to 119,953, 165,549.72 and 69,652 is: 96,128.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,953 : 165,549.72 = 69,652 : x
  2. Step 2: Convert to fraction form
    119,953/165,549.72 = 69,652/x
  3. Step 3: Cross multiply
    119,953x = 165,549.72 × 69,652
  4. Step 4: Simplify right side
    119,953x = 11,530,869,097.44
  5. Step 5: Solve for x
    x = 11,530,869,097.44/119,953
  6. Step 6: Final answer
    x = 96,128.23

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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.