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Finding the Fourth Proportional to 99,096.36, 148,625.92 and 45,786.12

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Solution

The fourth proportional to 99,096.36, 148,625.92 and 45,786.12 is: 68,670.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,096.36 : 148,625.92 = 45,786.12 : x
  2. Step 2: Convert to fraction form
    99,096.36/148,625.92 = 45,786.12/x
  3. Step 3: Cross multiply
    99,096.36x = 148,625.92 × 45,786.12
  4. Step 4: Simplify right side
    99,096.36x = 6,805,004,208.23
  5. Step 5: Solve for x
    x = 6,805,004,208.23/99,096.36
  6. Step 6: Final answer
    x = 68,670.58

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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.