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Finding the Fourth Proportional to 92,406.14, 127,520.68 and 49,964.84

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Solution

The fourth proportional to 92,406.14, 127,520.68 and 49,964.84 is: 68,951.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,406.14 : 127,520.68 = 49,964.84 : x
  2. Step 2: Convert to fraction form
    92,406.14/127,520.68 = 49,964.84/x
  3. Step 3: Cross multiply
    92,406.14x = 127,520.68 × 49,964.84
  4. Step 4: Simplify right side
    92,406.14x = 6,371,550,372.89
  5. Step 5: Solve for x
    x = 6,371,550,372.89/92,406.14
  6. Step 6: Final answer
    x = 68,951.59

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1.5x scale

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.