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Finding the Fourth Proportional to 79,414.88, 109,592.53 and 45,880.88

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Solution

The fourth proportional to 79,414.88, 109,592.53 and 45,880.88 is: 63,315.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,414.88 : 109,592.53 = 45,880.88 : x
  2. Step 2: Convert to fraction form
    79,414.88/109,592.53 = 45,880.88/x
  3. Step 3: Cross multiply
    79,414.88x = 109,592.53 × 45,880.88
  4. Step 4: Simplify right side
    79,414.88x = 5,028,201,055.16
  5. Step 5: Solve for x
    x = 5,028,201,055.16/79,414.88
  6. Step 6: Final answer
    x = 63,315.61

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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.