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Finding the Fourth Proportional to 92,409.45, 127,524.94 and 49,967.88

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Solution

The fourth proportional to 92,409.45, 127,524.94 and 49,967.88 is: 68,955.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,409.45 : 127,524.94 = 49,967.88 : x
  2. Step 2: Convert to fraction form
    92,409.45/127,524.94 = 49,967.88/x
  3. Step 3: Cross multiply
    92,409.45x = 127,524.94 × 49,967.88
  4. Step 4: Simplify right side
    92,409.45x = 6,372,150,898.93
  5. Step 5: Solve for x
    x = 6,372,150,898.93/92,409.45
  6. Step 6: Final answer
    x = 68,955.62

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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.