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Finding the Fourth Proportional to 92,411.45, 127,527.70 and 49,969.88

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Solution

The fourth proportional to 92,411.45, 127,527.70 and 49,969.88 is: 68,958.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,411.45 : 127,527.70 = 49,969.88 : x
  2. Step 2: Convert to fraction form
    92,411.45/127,527.70 = 49,969.88/x
  3. Step 3: Cross multiply
    92,411.45x = 127,527.70 × 49,969.88
  4. Step 4: Simplify right side
    92,411.45x = 6,372,543,865.68
  5. Step 5: Solve for x
    x = 6,372,543,865.68/92,411.45
  6. Step 6: Final answer
    x = 68,958.38

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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.