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Finding the Fourth Proportional to 99,794.88, 149,689.44 and 25,922.88

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Solution

The fourth proportional to 99,794.88, 149,689.44 and 25,922.88 is: 38,883.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,794.88 : 149,689.44 = 25,922.88 : x
  2. Step 2: Convert to fraction form
    99,794.88/149,689.44 = 25,922.88/x
  3. Step 3: Cross multiply
    99,794.88x = 149,689.44 × 25,922.88
  4. Step 4: Simplify right side
    99,794.88x = 3,880,381,390.39
  5. Step 5: Solve for x
    x = 3,880,381,390.39/99,794.88
  6. Step 6: Final answer
    x = 38,883.57

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1.5x scale

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.