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Finding the Fourth Proportional to 170,878.01, 256,315.49 and 57,034.43

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Solution

The fourth proportional to 170,878.01, 256,315.49 and 57,034.43 is: 85,551.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,878.01 : 256,315.49 = 57,034.43 : x
  2. Step 2: Convert to fraction form
    170,878.01/256,315.49 = 57,034.43/x
  3. Step 3: Cross multiply
    170,878.01x = 256,315.49 × 57,034.43
  4. Step 4: Simplify right side
    170,878.01x = 14,618,807,480.63
  5. Step 5: Solve for x
    x = 14,618,807,480.63/170,878.01
  6. Step 6: Final answer
    x = 85,551.14

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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.