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Finding the Fourth Proportional to 170,676.95, 256,012.79 and 75,882.24

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Solution

The fourth proportional to 170,676.95, 256,012.79 and 75,882.24 is: 113,822.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,676.95 : 256,012.79 = 75,882.24 : x
  2. Step 2: Convert to fraction form
    170,676.95/256,012.79 = 75,882.24/x
  3. Step 3: Cross multiply
    170,676.95x = 256,012.79 × 75,882.24
  4. Step 4: Simplify right side
    170,676.95x = 19,426,823,594.44
  5. Step 5: Solve for x
    x = 19,426,823,594.44/170,676.95
  6. Step 6: Final answer
    x = 113,822.19

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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.