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Finding the Fourth Proportional to 169,412.36, 254,141.95 and 57,124.68

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Solution

The fourth proportional to 169,412.36, 254,141.95 and 57,124.68 is: 85,694.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,412.36 : 254,141.95 = 57,124.68 : x
  2. Step 2: Convert to fraction form
    169,412.36/254,141.95 = 57,124.68/x
  3. Step 3: Cross multiply
    169,412.36x = 254,141.95 × 57,124.68
  4. Step 4: Simplify right side
    169,412.36x = 14,517,777,568.33
  5. Step 5: Solve for x
    x = 14,517,777,568.33/169,412.36
  6. Step 6: Final answer
    x = 85,694.91

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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.