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Finding the Fourth Proportional to 171,366.60, 257,121 and 104,809.08

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Solution

The fourth proportional to 171,366.60, 257,121 and 104,809.08 is: 157,257.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,366.60 : 257,121 = 104,809.08 : x
  2. Step 2: Convert to fraction form
    171,366.60/257,121 = 104,809.08/x
  3. Step 3: Cross multiply
    171,366.60x = 257,121 × 104,809.08
  4. Step 4: Simplify right side
    171,366.60x = 26,948,615,458.68
  5. Step 5: Solve for x
    x = 26,948,615,458.68/171,366.60
  6. Step 6: Final answer
    x = 157,257.11

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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.