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Finding the Fourth Proportional to 251,184.40, 346,725.60 and 166,328.80

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Solution

The fourth proportional to 251,184.40, 346,725.60 and 166,328.80 is: 229,594.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,184.40 : 346,725.60 = 166,328.80 : x
  2. Step 2: Convert to fraction form
    251,184.40/346,725.60 = 166,328.80/x
  3. Step 3: Cross multiply
    251,184.40x = 346,725.60 × 166,328.80
  4. Step 4: Simplify right side
    251,184.40x = 57,670,452,977.28
  5. Step 5: Solve for x
    x = 57,670,452,977.28/251,184.40
  6. Step 6: Final answer
    x = 229,594.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.