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Finding the Fourth Proportional to 169,493.96, 254,063.49 and 57,135.33

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Solution

The fourth proportional to 169,493.96, 254,063.49 and 57,135.33 is: 85,643.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,493.96 : 254,063.49 = 57,135.33 : x
  2. Step 2: Convert to fraction form
    169,493.96/254,063.49 = 57,135.33/x
  3. Step 3: Cross multiply
    169,493.96x = 254,063.49 × 57,135.33
  4. Step 4: Simplify right side
    169,493.96x = 14,516,001,342.10
  5. Step 5: Solve for x
    x = 14,516,001,342.10/169,493.96
  6. Step 6: Final answer
    x = 85,643.18

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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.