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Finding the Fourth Proportional to 171,662.24, 257,405.52 and 71,795.12

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Solution

The fourth proportional to 171,662.24, 257,405.52 and 71,795.12 is: 107,655.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,662.24 : 257,405.52 = 71,795.12 : x
  2. Step 2: Convert to fraction form
    171,662.24/257,405.52 = 71,795.12/x
  3. Step 3: Cross multiply
    171,662.24x = 257,405.52 × 71,795.12
  4. Step 4: Simplify right side
    171,662.24x = 18,480,460,197.06
  5. Step 5: Solve for x
    x = 18,480,460,197.06/171,662.24
  6. Step 6: Final answer
    x = 107,655.94

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1.5x scale

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.