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Finding the Fourth Proportional to 169,709.38, 254,596.87 and 57,407.84

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Solution

The fourth proportional to 169,709.38, 254,596.87 and 57,407.84 is: 86,122.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,709.38 : 254,596.87 = 57,407.84 : x
  2. Step 2: Convert to fraction form
    169,709.38/254,596.87 = 57,407.84/x
  3. Step 3: Cross multiply
    169,709.38x = 254,596.87 × 57,407.84
  4. Step 4: Simplify right side
    169,709.38x = 14,615,856,130.97
  5. Step 5: Solve for x
    x = 14,615,856,130.97/169,709.38
  6. Step 6: Final answer
    x = 86,122.86

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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.