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Finding the Fourth Proportional to 79,296.53, 109,434.26 and 52,391.84

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Solution

The fourth proportional to 79,296.53, 109,434.26 and 52,391.84 is: 72,304.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,296.53 : 109,434.26 = 52,391.84 : x
  2. Step 2: Convert to fraction form
    79,296.53/109,434.26 = 52,391.84/x
  3. Step 3: Cross multiply
    79,296.53x = 109,434.26 × 52,391.84
  4. Step 4: Simplify right side
    79,296.53x = 5,733,461,824.25
  5. Step 5: Solve for x
    x = 5,733,461,824.25/79,296.53
  6. Step 6: Final answer
    x = 72,304.07

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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.