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Finding the Fourth Proportional to 174,029.40, 261,044.10 and 171,696.60

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Solution

The fourth proportional to 174,029.40, 261,044.10 and 171,696.60 is: 257,544.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,029.40 : 261,044.10 = 171,696.60 : x
  2. Step 2: Convert to fraction form
    174,029.40/261,044.10 = 171,696.60/x
  3. Step 3: Cross multiply
    174,029.40x = 261,044.10 × 171,696.60
  4. Step 4: Simplify right side
    174,029.40x = 44,820,384,420.06
  5. Step 5: Solve for x
    x = 44,820,384,420.06/174,029.40
  6. Step 6: Final answer
    x = 257,544.90

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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.