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Finding the Fourth Proportional to 170,469.53, 255,730.57 and 58,123.47

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Solution

The fourth proportional to 170,469.53, 255,730.57 and 58,123.47 is: 87,194.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,469.53 : 255,730.57 = 58,123.47 : x
  2. Step 2: Convert to fraction form
    170,469.53/255,730.57 = 58,123.47/x
  3. Step 3: Cross multiply
    170,469.53x = 255,730.57 × 58,123.47
  4. Step 4: Simplify right side
    170,469.53x = 14,863,947,822.86
  5. Step 5: Solve for x
    x = 14,863,947,822.86/170,469.53
  6. Step 6: Final answer
    x = 87,194.16

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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.