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Finding the Fourth Proportional to 171,625.60, 236,843.40 and 104,557.60

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Solution

The fourth proportional to 171,625.60, 236,843.40 and 104,557.60 is: 144,289.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,625.60 : 236,843.40 = 104,557.60 : x
  2. Step 2: Convert to fraction form
    171,625.60/236,843.40 = 104,557.60/x
  3. Step 3: Cross multiply
    171,625.60x = 236,843.40 × 104,557.60
  4. Step 4: Simplify right side
    171,625.60x = 24,763,777,479.84
  5. Step 5: Solve for x
    x = 24,763,777,479.84/171,625.60
  6. Step 6: Final answer
    x = 144,289.53

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1.5x scale

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.