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Finding the Fourth Proportional to 170,447.84, 255,662.08 and 52,119.04

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Solution

The fourth proportional to 170,447.84, 255,662.08 and 52,119.04 is: 78,175.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,447.84 : 255,662.08 = 52,119.04 : x
  2. Step 2: Convert to fraction form
    170,447.84/255,662.08 = 52,119.04/x
  3. Step 3: Cross multiply
    170,447.84x = 255,662.08 × 52,119.04
  4. Step 4: Simplify right side
    170,447.84x = 13,324,862,174.00
  5. Step 5: Solve for x
    x = 13,324,862,174.00/170,447.84
  6. Step 6: Final answer
    x = 78,175.60

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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.