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Finding the Fourth Proportional to 169,636.70, 254,455.05 and 165,748.70

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Solution

The fourth proportional to 169,636.70, 254,455.05 and 165,748.70 is: 248,623.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,636.70 : 254,455.05 = 165,748.70 : x
  2. Step 2: Convert to fraction form
    169,636.70/254,455.05 = 165,748.70/x
  3. Step 3: Cross multiply
    169,636.70x = 254,455.05 × 165,748.70
  4. Step 4: Simplify right side
    169,636.70x = 42,175,593,745.94
  5. Step 5: Solve for x
    x = 42,175,593,745.94/169,636.70
  6. Step 6: Final answer
    x = 248,623.05

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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.