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Finding the Fourth Proportional to 132,599.95, 198,583.33 and 76,321.76

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Solution

The fourth proportional to 132,599.95, 198,583.33 and 76,321.76 is: 114,300.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,599.95 : 198,583.33 = 76,321.76 : x
  2. Step 2: Convert to fraction form
    132,599.95/198,583.33 = 76,321.76/x
  3. Step 3: Cross multiply
    132,599.95x = 198,583.33 × 76,321.76
  4. Step 4: Simplify right side
    132,599.95x = 15,156,229,252.26
  5. Step 5: Solve for x
    x = 15,156,229,252.26/132,599.95
  6. Step 6: Final answer
    x = 114,300.41

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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.