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Finding the Fourth Proportional to 170,846.80, 256,243.80 and 58,501.20

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Solution

The fourth proportional to 170,846.80, 256,243.80 and 58,501.20 is: 87,742.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,846.80 : 256,243.80 = 58,501.20 : x
  2. Step 2: Convert to fraction form
    170,846.80/256,243.80 = 58,501.20/x
  3. Step 3: Cross multiply
    170,846.80x = 256,243.80 × 58,501.20
  4. Step 4: Simplify right side
    170,846.80x = 14,990,569,792.56
  5. Step 5: Solve for x
    x = 14,990,569,792.56/170,846.80
  6. Step 6: Final answer
    x = 87,742.76

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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.