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Finding the Fourth Proportional to 66,889.42, 100,334.07 and 16,973.26

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Solution

The fourth proportional to 66,889.42, 100,334.07 and 16,973.26 is: 25,459.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,889.42 : 100,334.07 = 16,973.26 : x
  2. Step 2: Convert to fraction form
    66,889.42/100,334.07 = 16,973.26/x
  3. Step 3: Cross multiply
    66,889.42x = 100,334.07 × 16,973.26
  4. Step 4: Simplify right side
    66,889.42x = 1,702,996,256.97
  5. Step 5: Solve for x
    x = 1,702,996,256.97/66,889.42
  6. Step 6: Final answer
    x = 25,459.87

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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.