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Finding the Fourth Proportional to 170,764.40, 256,122.30 and 58,449.80

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Solution

The fourth proportional to 170,764.40, 256,122.30 and 58,449.80 is: 87,666.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,764.40 : 256,122.30 = 58,449.80 : x
  2. Step 2: Convert to fraction form
    170,764.40/256,122.30 = 58,449.80/x
  3. Step 3: Cross multiply
    170,764.40x = 256,122.30 × 58,449.80
  4. Step 4: Simplify right side
    170,764.40x = 14,970,297,210.54
  5. Step 5: Solve for x
    x = 14,970,297,210.54/170,764.40
  6. Step 6: Final answer
    x = 87,666.38

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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.