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Finding the Fourth Proportional to 167,310.84, 230,810.94 and 103,625.40

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Solution

The fourth proportional to 167,310.84, 230,810.94 and 103,625.40 is: 142,954.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,310.84 : 230,810.94 = 103,625.40 : x
  2. Step 2: Convert to fraction form
    167,310.84/230,810.94 = 103,625.40/x
  3. Step 3: Cross multiply
    167,310.84x = 230,810.94 × 103,625.40
  4. Step 4: Simplify right side
    167,310.84x = 23,917,875,981.88
  5. Step 5: Solve for x
    x = 23,917,875,981.88/167,310.84
  6. Step 6: Final answer
    x = 142,954.73

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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.