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Finding the Fourth Proportional to 66,513.37, 99,770.06 and 44,369.99

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Solution

The fourth proportional to 66,513.37, 99,770.06 and 44,369.99 is: 66,554.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,513.37 : 99,770.06 = 44,369.99 : x
  2. Step 2: Convert to fraction form
    66,513.37/99,770.06 = 44,369.99/x
  3. Step 3: Cross multiply
    66,513.37x = 99,770.06 × 44,369.99
  4. Step 4: Simplify right side
    66,513.37x = 4,426,796,564.50
  5. Step 5: Solve for x
    x = 4,426,796,564.50/66,513.37
  6. Step 6: Final answer
    x = 66,554.99

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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.