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Finding the Fourth Proportional to 68,301.36, 102,490.92 and 44,938.80

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Solution

The fourth proportional to 68,301.36, 102,490.92 and 44,938.80 is: 67,433.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,301.36 : 102,490.92 = 44,938.80 : x
  2. Step 2: Convert to fraction form
    68,301.36/102,490.92 = 44,938.80/x
  3. Step 3: Cross multiply
    68,301.36x = 102,490.92 × 44,938.80
  4. Step 4: Simplify right side
    68,301.36x = 4,605,818,955.70
  5. Step 5: Solve for x
    x = 4,605,818,955.70/68,301.36
  6. Step 6: Final answer
    x = 67,433.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.