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Finding the Fourth Proportional to 66,185.01, 99,234.93 and 43,669.65

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Solution

The fourth proportional to 66,185.01, 99,234.93 and 43,669.65 is: 65,476.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,185.01 : 99,234.93 = 43,669.65 : x
  2. Step 2: Convert to fraction form
    66,185.01/99,234.93 = 43,669.65/x
  3. Step 3: Cross multiply
    66,185.01x = 99,234.93 × 43,669.65
  4. Step 4: Simplify right side
    66,185.01x = 4,333,554,660.87
  5. Step 5: Solve for x
    x = 4,333,554,660.87/66,185.01
  6. Step 6: Final answer
    x = 65,476.38

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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.