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Finding the Fourth Proportional to 132,525.40, 198,896.90 and 131,488.60

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Solution

The fourth proportional to 132,525.40, 198,896.90 and 131,488.60 is: 197,340.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,525.40 : 198,896.90 = 131,488.60 : x
  2. Step 2: Convert to fraction form
    132,525.40/198,896.90 = 131,488.60/x
  3. Step 3: Cross multiply
    132,525.40x = 198,896.90 × 131,488.60
  4. Step 4: Simplify right side
    132,525.40x = 26,152,674,925.34
  5. Step 5: Solve for x
    x = 26,152,674,925.34/132,525.40
  6. Step 6: Final answer
    x = 197,340.85

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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.