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Finding the Fourth Proportional to 66,958.66, 100,242.91 and 35,293.33

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Solution

The fourth proportional to 66,958.66, 100,242.91 and 35,293.33 is: 52,837.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,958.66 : 100,242.91 = 35,293.33 : x
  2. Step 2: Convert to fraction form
    66,958.66/100,242.91 = 35,293.33/x
  3. Step 3: Cross multiply
    66,958.66x = 100,242.91 × 35,293.33
  4. Step 4: Simplify right side
    66,958.66x = 3,537,906,102.79
  5. Step 5: Solve for x
    x = 3,537,906,102.79/66,958.66
  6. Step 6: Final answer
    x = 52,837.17

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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.