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Finding the Fourth Proportional to 125,954.34, 173,815.92 and 69,364.50

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Solution

The fourth proportional to 125,954.34, 173,815.92 and 69,364.50 is: 95,722.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,954.34 : 173,815.92 = 69,364.50 : x
  2. Step 2: Convert to fraction form
    125,954.34/173,815.92 = 69,364.50/x
  3. Step 3: Cross multiply
    125,954.34x = 173,815.92 × 69,364.50
  4. Step 4: Simplify right side
    125,954.34x = 12,056,654,382.84
  5. Step 5: Solve for x
    x = 12,056,654,382.84/125,954.34
  6. Step 6: Final answer
    x = 95,722.42

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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.