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Finding the Fourth Proportional to 66,717.61, 100,052.16 and 22,333.82

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Solution

The fourth proportional to 66,717.61, 100,052.16 and 22,333.82 is: 33,492.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,717.61 : 100,052.16 = 22,333.82 : x
  2. Step 2: Convert to fraction form
    66,717.61/100,052.16 = 22,333.82/x
  3. Step 3: Cross multiply
    66,717.61x = 100,052.16 × 22,333.82
  4. Step 4: Simplify right side
    66,717.61x = 2,234,546,348.04
  5. Step 5: Solve for x
    x = 2,234,546,348.04/66,717.61
  6. Step 6: Final answer
    x = 33,492.60

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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.