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Finding the Fourth Proportional to 167,813.64, 251,714.70 and 49,480.20

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Solution

The fourth proportional to 167,813.64, 251,714.70 and 49,480.20 is: 74,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,813.64 : 251,714.70 = 49,480.20 : x
  2. Step 2: Convert to fraction form
    167,813.64/251,714.70 = 49,480.20/x
  3. Step 3: Cross multiply
    167,813.64x = 251,714.70 × 49,480.20
  4. Step 4: Simplify right side
    167,813.64x = 12,454,893,698.94
  5. Step 5: Solve for x
    x = 12,454,893,698.94/167,813.64
  6. Step 6: Final answer
    x = 74,218.60

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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.