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Finding the Fourth Proportional to 169,932.70, 254,890.95 and 57,601.90

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Solution

The fourth proportional to 169,932.70, 254,890.95 and 57,601.90 is: 86,400.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,932.70 : 254,890.95 = 57,601.90 : x
  2. Step 2: Convert to fraction form
    169,932.70/254,890.95 = 57,601.90/x
  3. Step 3: Cross multiply
    169,932.70x = 254,890.95 × 57,601.90
  4. Step 4: Simplify right side
    169,932.70x = 14,682,203,012.81
  5. Step 5: Solve for x
    x = 14,682,203,012.81/169,932.70
  6. Step 6: Final answer
    x = 86,400.10

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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.