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Finding the Fourth Proportional to 132,903.82, 199,290.09 and 48,600.43

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Solution

The fourth proportional to 132,903.82, 199,290.09 and 48,600.43 is: 72,876.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,903.82 : 199,290.09 = 48,600.43 : x
  2. Step 2: Convert to fraction form
    132,903.82/199,290.09 = 48,600.43/x
  3. Step 3: Cross multiply
    132,903.82x = 199,290.09 × 48,600.43
  4. Step 4: Simplify right side
    132,903.82x = 9,685,584,068.74
  5. Step 5: Solve for x
    x = 9,685,584,068.74/132,903.82
  6. Step 6: Final answer
    x = 72,876.64

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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.