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Finding the Fourth Proportional to 171,309.60, 236,405.20 and 95,858.72

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Solution

The fourth proportional to 171,309.60, 236,405.20 and 95,858.72 is: 132,283.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,309.60 : 236,405.20 = 95,858.72 : x
  2. Step 2: Convert to fraction form
    171,309.60/236,405.20 = 95,858.72/x
  3. Step 3: Cross multiply
    171,309.60x = 236,405.20 × 95,858.72
  4. Step 4: Simplify right side
    171,309.60x = 22,661,499,873.34
  5. Step 5: Solve for x
    x = 22,661,499,873.34/171,309.60
  6. Step 6: Final answer
    x = 132,283.89

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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.