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Finding the Fourth Proportional to 132,860.70, 199,407.69 and 73,763.10

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Solution

The fourth proportional to 132,860.70, 199,407.69 and 73,763.10 is: 110,709.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,860.70 : 199,407.69 = 73,763.10 : x
  2. Step 2: Convert to fraction form
    132,860.70/199,407.69 = 73,763.10/x
  3. Step 3: Cross multiply
    132,860.70x = 199,407.69 × 73,763.10
  4. Step 4: Simplify right side
    132,860.70x = 14,708,929,378.24
  5. Step 5: Solve for x
    x = 14,708,929,378.24/132,860.70
  6. Step 6: Final answer
    x = 110,709.41

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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.