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Finding the Fourth Proportional to 132,708.50, 183,137.73 and 73,092.50

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Solution

The fourth proportional to 132,708.50, 183,137.73 and 73,092.50 is: 100,867.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,708.50 : 183,137.73 = 73,092.50 : x
  2. Step 2: Convert to fraction form
    132,708.50/183,137.73 = 73,092.50/x
  3. Step 3: Cross multiply
    132,708.50x = 183,137.73 × 73,092.50
  4. Step 4: Simplify right side
    132,708.50x = 13,385,994,530.03
  5. Step 5: Solve for x
    x = 13,385,994,530.03/132,708.50
  6. Step 6: Final answer
    x = 100,867.65

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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.