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Finding the Fourth Proportional to 132,912.90, 199,466.55 and 88,524.90

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Solution

The fourth proportional to 132,912.90, 199,466.55 and 88,524.90 is: 132,852.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,912.90 : 199,466.55 = 88,524.90 : x
  2. Step 2: Convert to fraction form
    132,912.90/199,466.55 = 88,524.90/x
  3. Step 3: Cross multiply
    132,912.90x = 199,466.55 × 88,524.90
  4. Step 4: Simplify right side
    132,912.90x = 17,657,756,392.10
  5. Step 5: Solve for x
    x = 17,657,756,392.10/132,912.90
  6. Step 6: Final answer
    x = 132,852.09

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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.