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Finding the Fourth Proportional to 167,671.29, 251,531.95 and 55,363.38

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Solution

The fourth proportional to 167,671.29, 251,531.95 and 55,363.38 is: 83,053.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,671.29 : 251,531.95 = 55,363.38 : x
  2. Step 2: Convert to fraction form
    167,671.29/251,531.95 = 55,363.38/x
  3. Step 3: Cross multiply
    167,671.29x = 251,531.95 × 55,363.38
  4. Step 4: Simplify right side
    167,671.29x = 13,925,658,929.99
  5. Step 5: Solve for x
    x = 13,925,658,929.99/167,671.29
  6. Step 6: Final answer
    x = 83,053.33

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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.