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Finding the Fourth Proportional to 89,493.88, 123,504.24 and 49,205.56

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Solution

The fourth proportional to 89,493.88, 123,504.24 and 49,205.56 is: 67,905.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,493.88 : 123,504.24 = 49,205.56 : x
  2. Step 2: Convert to fraction form
    89,493.88/123,504.24 = 49,205.56/x
  3. Step 3: Cross multiply
    89,493.88x = 123,504.24 × 49,205.56
  4. Step 4: Simplify right side
    89,493.88x = 6,077,095,291.57
  5. Step 5: Solve for x
    x = 6,077,095,291.57/89,493.88
  6. Step 6: Final answer
    x = 67,905.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.