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Finding the Fourth Proportional to 66,670.36, 100,033.32 and 29,257.32

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Solution

The fourth proportional to 66,670.36, 100,033.32 and 29,257.32 is: 43,898.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,670.36 : 100,033.32 = 29,257.32 : x
  2. Step 2: Convert to fraction form
    66,670.36/100,033.32 = 29,257.32/x
  3. Step 3: Cross multiply
    66,670.36x = 100,033.32 × 29,257.32
  4. Step 4: Simplify right side
    66,670.36x = 2,926,706,853.90
  5. Step 5: Solve for x
    x = 2,926,706,853.90/66,670.36
  6. Step 6: Final answer
    x = 43,898.17

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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.