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Finding the Fourth Proportional to 170,523.85, 255,809.12 and 58,173.90

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Solution

The fourth proportional to 170,523.85, 255,809.12 and 58,173.90 is: 87,268.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,523.85 : 255,809.12 = 58,173.90 : x
  2. Step 2: Convert to fraction form
    170,523.85/255,809.12 = 58,173.90/x
  3. Step 3: Cross multiply
    170,523.85x = 255,809.12 × 58,173.90
  4. Step 4: Simplify right side
    170,523.85x = 14,881,414,334.43
  5. Step 5: Solve for x
    x = 14,881,414,334.43/170,523.85
  6. Step 6: Final answer
    x = 87,268.82

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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.