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Finding the Fourth Proportional to 169,748.92, 254,650.92 and 57,436.03

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Solution

The fourth proportional to 169,748.92, 254,650.92 and 57,436.03 is: 86,163.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,748.92 : 254,650.92 = 57,436.03 : x
  2. Step 2: Convert to fraction form
    169,748.92/254,650.92 = 57,436.03/x
  3. Step 3: Cross multiply
    169,748.92x = 254,650.92 × 57,436.03
  4. Step 4: Simplify right side
    169,748.92x = 14,626,137,880.65
  5. Step 5: Solve for x
    x = 14,626,137,880.65/169,748.92
  6. Step 6: Final answer
    x = 86,163.36

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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.