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Finding the Fourth Proportional to 169,390.26, 254,168.01 and 69,580.44

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Solution

The fourth proportional to 169,390.26, 254,168.01 and 69,580.44 is: 104,404.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,390.26 : 254,168.01 = 69,580.44 : x
  2. Step 2: Convert to fraction form
    169,390.26/254,168.01 = 69,580.44/x
  3. Step 3: Cross multiply
    169,390.26x = 254,168.01 × 69,580.44
  4. Step 4: Simplify right side
    169,390.26x = 17,685,121,969.72
  5. Step 5: Solve for x
    x = 17,685,121,969.72/169,390.26
  6. Step 6: Final answer
    x = 104,404.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.