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Finding the Fourth Proportional to 170,843.88, 256,087.50 and 58,491

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Solution

The fourth proportional to 170,843.88, 256,087.50 and 58,491 is: 87,675.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,843.88 : 256,087.50 = 58,491 : x
  2. Step 2: Convert to fraction form
    170,843.88/256,087.50 = 58,491/x
  3. Step 3: Cross multiply
    170,843.88x = 256,087.50 × 58,491
  4. Step 4: Simplify right side
    170,843.88x = 14,978,813,962.50
  5. Step 5: Solve for x
    x = 14,978,813,962.50/170,843.88
  6. Step 6: Final answer
    x = 87,675.45

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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.