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Finding the Fourth Proportional to 99,496.36, 149,245.98 and 25,624.36

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Solution

The fourth proportional to 99,496.36, 149,245.98 and 25,624.36 is: 38,436.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,496.36 : 149,245.98 = 25,624.36 : x
  2. Step 2: Convert to fraction form
    99,496.36/149,245.98 = 25,624.36/x
  3. Step 3: Cross multiply
    99,496.36x = 149,245.98 × 25,624.36
  4. Step 4: Simplify right side
    99,496.36x = 3,824,332,720.07
  5. Step 5: Solve for x
    x = 3,824,332,720.07/99,496.36
  6. Step 6: Final answer
    x = 38,436.91

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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.