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Finding the Fourth Proportional to 183,422.40, 253,175.40 and 108,014.64

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Solution

The fourth proportional to 183,422.40, 253,175.40 and 108,014.64 is: 149,091.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,422.40 : 253,175.40 = 108,014.64 : x
  2. Step 2: Convert to fraction form
    183,422.40/253,175.40 = 108,014.64/x
  3. Step 3: Cross multiply
    183,422.40x = 253,175.40 × 108,014.64
  4. Step 4: Simplify right side
    183,422.40x = 27,346,649,687.86
  5. Step 5: Solve for x
    x = 27,346,649,687.86/183,422.40
  6. Step 6: Final answer
    x = 149,091.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.