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Finding the Fourth Proportional to 171,467.64, 257,274.94 and 88,419.96

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Solution

The fourth proportional to 171,467.64, 257,274.94 and 88,419.96 is: 132,667.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,467.64 : 257,274.94 = 88,419.96 : x
  2. Step 2: Convert to fraction form
    171,467.64/257,274.94 = 88,419.96/x
  3. Step 3: Cross multiply
    171,467.64x = 257,274.94 × 88,419.96
  4. Step 4: Simplify right side
    171,467.64x = 22,748,239,903.80
  5. Step 5: Solve for x
    x = 22,748,239,903.80/171,467.64
  6. Step 6: Final answer
    x = 132,667.83

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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.