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Finding the Fourth Proportional to 171,593.10, 257,414.55 and 53,274.06

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Solution

The fourth proportional to 171,593.10, 257,414.55 and 53,274.06 is: 79,918.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,593.10 : 257,414.55 = 53,274.06 : x
  2. Step 2: Convert to fraction form
    171,593.10/257,414.55 = 53,274.06/x
  3. Step 3: Cross multiply
    171,593.10x = 257,414.55 × 53,274.06
  4. Step 4: Simplify right side
    171,593.10x = 13,713,518,181.57
  5. Step 5: Solve for x
    x = 13,713,518,181.57/171,593.10
  6. Step 6: Final answer
    x = 79,918.82

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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.