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Finding the Fourth Proportional to 66,757.40, 100,066.90 and 41,740.00

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Solution

The fourth proportional to 66,757.40, 100,066.90 and 41,740.00 is: 62,566.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,757.40 : 100,066.90 = 41,740.00 : x
  2. Step 2: Convert to fraction form
    66,757.40/100,066.90 = 41,740.00/x
  3. Step 3: Cross multiply
    66,757.40x = 100,066.90 × 41,740.00
  4. Step 4: Simplify right side
    66,757.40x = 4,176,792,528.58
  5. Step 5: Solve for x
    x = 4,176,792,528.58/66,757.40
  6. Step 6: Final answer
    x = 62,566.73

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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.