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Finding the Fourth Proportional to 99,996.88, 137,995.77 and 54,674.14

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Solution

The fourth proportional to 99,996.88, 137,995.77 and 54,674.14 is: 75,450.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,996.88 : 137,995.77 = 54,674.14 : x
  2. Step 2: Convert to fraction form
    99,996.88/137,995.77 = 54,674.14/x
  3. Step 3: Cross multiply
    99,996.88x = 137,995.77 × 54,674.14
  4. Step 4: Simplify right side
    99,996.88x = 7,544,800,048.39
  5. Step 5: Solve for x
    x = 7,544,800,048.39/99,996.88
  6. Step 6: Final answer
    x = 75,450.35

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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.