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Finding the Fourth Proportional to 170,603.28, 255,935.03 and 58,257.17

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Solution

The fourth proportional to 170,603.28, 255,935.03 and 58,257.17 is: 87,396.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,603.28 : 255,935.03 = 58,257.17 : x
  2. Step 2: Convert to fraction form
    170,603.28/255,935.03 = 58,257.17/x
  3. Step 3: Cross multiply
    170,603.28x = 255,935.03 × 58,257.17
  4. Step 4: Simplify right side
    170,603.28x = 14,910,051,337.15
  5. Step 5: Solve for x
    x = 14,910,051,337.15/170,603.28
  6. Step 6: Final answer
    x = 87,396.04

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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.