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Finding the Fourth Proportional to 92,912.79, 128,222.04 and 52,625.97

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Solution

The fourth proportional to 92,912.79, 128,222.04 and 52,625.97 is: 72,625.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,912.79 : 128,222.04 = 52,625.97 : x
  2. Step 2: Convert to fraction form
    92,912.79/128,222.04 = 52,625.97/x
  3. Step 3: Cross multiply
    92,912.79x = 128,222.04 × 52,625.97
  4. Step 4: Simplify right side
    92,912.79x = 6,747,809,230.38
  5. Step 5: Solve for x
    x = 6,747,809,230.38/92,912.79
  6. Step 6: Final answer
    x = 72,625.19

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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.