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Finding the Fourth Proportional to 92,630.52, 127,834.50 and 54,391.74

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Solution

The fourth proportional to 92,630.52, 127,834.50 and 54,391.74 is: 75,063.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,630.52 : 127,834.50 = 54,391.74 : x
  2. Step 2: Convert to fraction form
    92,630.52/127,834.50 = 54,391.74/x
  3. Step 3: Cross multiply
    92,630.52x = 127,834.50 × 54,391.74
  4. Step 4: Simplify right side
    92,630.52x = 6,953,140,887.03
  5. Step 5: Solve for x
    x = 6,953,140,887.03/92,630.52
  6. Step 6: Final answer
    x = 75,063.17

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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.