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Finding the Fourth Proportional to 169,912.15, 254,867.11 and 57,671.41

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Solution

The fourth proportional to 169,912.15, 254,867.11 and 57,671.41 is: 86,506.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,912.15 : 254,867.11 = 57,671.41 : x
  2. Step 2: Convert to fraction form
    169,912.15/254,867.11 = 57,671.41/x
  3. Step 3: Cross multiply
    169,912.15x = 254,867.11 × 57,671.41
  4. Step 4: Simplify right side
    169,912.15x = 14,698,545,596.33
  5. Step 5: Solve for x
    x = 14,698,545,596.33/169,912.15
  6. Step 6: Final answer
    x = 86,506.74

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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.