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Finding the Fourth Proportional to 66,479.33, 99,697.31 and 22,094.16

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Solution

The fourth proportional to 66,479.33, 99,697.31 and 22,094.16 is: 33,134.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,479.33 : 99,697.31 = 22,094.16 : x
  2. Step 2: Convert to fraction form
    66,479.33/99,697.31 = 22,094.16/x
  3. Step 3: Cross multiply
    66,479.33x = 99,697.31 × 22,094.16
  4. Step 4: Simplify right side
    66,479.33x = 2,202,728,208.24
  5. Step 5: Solve for x
    x = 2,202,728,208.24/66,479.33
  6. Step 6: Final answer
    x = 33,134.03

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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.