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Finding the Fourth Proportional to 171,242.33, 236,409.42 and 103,276.58

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Solution

The fourth proportional to 171,242.33, 236,409.42 and 103,276.58 is: 142,578.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,242.33 : 236,409.42 = 103,276.58 : x
  2. Step 2: Convert to fraction form
    171,242.33/236,409.42 = 103,276.58/x
  3. Step 3: Cross multiply
    171,242.33x = 236,409.42 × 103,276.58
  4. Step 4: Simplify right side
    171,242.33x = 24,415,555,195.34
  5. Step 5: Solve for x
    x = 24,415,555,195.34/171,242.33
  6. Step 6: Final answer
    x = 142,578.98

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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.