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Finding the Fourth Proportional to 132,866.40, 199,256.40 and 44,104.80

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Solution

The fourth proportional to 132,866.40, 199,256.40 and 44,104.80 is: 66,142.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,866.40 : 199,256.40 = 44,104.80 : x
  2. Step 2: Convert to fraction form
    132,866.40/199,256.40 = 44,104.80/x
  3. Step 3: Cross multiply
    132,866.40x = 199,256.40 × 44,104.80
  4. Step 4: Simplify right side
    132,866.40x = 8,788,163,670.72
  5. Step 5: Solve for x
    x = 8,788,163,670.72/132,866.40
  6. Step 6: Final answer
    x = 66,142.86

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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.