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Finding the Fourth Proportional to 298,496.80, 447,826.96 and 88,134.56

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Solution

The fourth proportional to 298,496.80, 447,826.96 and 88,134.56 is: 132,225.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,496.80 : 447,826.96 = 88,134.56 : x
  2. Step 2: Convert to fraction form
    298,496.80/447,826.96 = 88,134.56/x
  3. Step 3: Cross multiply
    298,496.80x = 447,826.96 × 88,134.56
  4. Step 4: Simplify right side
    298,496.80x = 39,469,032,075.74
  5. Step 5: Solve for x
    x = 39,469,032,075.74/298,496.80
  6. Step 6: Final answer
    x = 132,225.98

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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.