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Finding the Fourth Proportional to 92,517.94, 127,668.54 and 52,233.40

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Solution

The fourth proportional to 92,517.94, 127,668.54 and 52,233.40 is: 72,078.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,517.94 : 127,668.54 = 52,233.40 : x
  2. Step 2: Convert to fraction form
    92,517.94/127,668.54 = 52,233.40/x
  3. Step 3: Cross multiply
    92,517.94x = 127,668.54 × 52,233.40
  4. Step 4: Simplify right side
    92,517.94x = 6,668,561,917.24
  5. Step 5: Solve for x
    x = 6,668,561,917.24/92,517.94
  6. Step 6: Final answer
    x = 72,078.58

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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.