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Finding the Fourth Proportional to 170,959.60, 256,384.68 and 57,082.96

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Solution

The fourth proportional to 170,959.60, 256,384.68 and 57,082.96 is: 85,606.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,959.60 : 256,384.68 = 57,082.96 : x
  2. Step 2: Convert to fraction form
    170,959.60/256,384.68 = 57,082.96/x
  3. Step 3: Cross multiply
    170,959.60x = 256,384.68 × 57,082.96
  4. Step 4: Simplify right side
    170,959.60x = 14,635,196,433.05
  5. Step 5: Solve for x
    x = 14,635,196,433.05/170,959.60
  6. Step 6: Final answer
    x = 85,606.17

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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.