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Finding the Fourth Proportional to 66,771.48, 100,088.01 and 41,754.11

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Solution

The fourth proportional to 66,771.48, 100,088.01 and 41,754.11 is: 62,587.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,771.48 : 100,088.01 = 41,754.11 : x
  2. Step 2: Convert to fraction form
    66,771.48/100,088.01 = 41,754.11/x
  3. Step 3: Cross multiply
    66,771.48x = 100,088.01 × 41,754.11
  4. Step 4: Simplify right side
    66,771.48x = 4,179,085,570.45
  5. Step 5: Solve for x
    x = 4,179,085,570.45/66,771.48
  6. Step 6: Final answer
    x = 62,587.88

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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.