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Finding the Fourth Proportional to 171,652.64, 257,550 and 92,673.96

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Solution

The fourth proportional to 171,652.64, 257,550 and 92,673.96 is: 139,049.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,652.64 : 257,550 = 92,673.96 : x
  2. Step 2: Convert to fraction form
    171,652.64/257,550 = 92,673.96/x
  3. Step 3: Cross multiply
    171,652.64x = 257,550 × 92,673.96
  4. Step 4: Simplify right side
    171,652.64x = 23,868,178,398
  5. Step 5: Solve for x
    x = 23,868,178,398/171,652.64
  6. Step 6: Final answer
    x = 139,049.29

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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.