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Finding the Fourth Proportional to 68,349.40, 102,474.89 and 41,999.70

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Solution

The fourth proportional to 68,349.40, 102,474.89 and 41,999.70 is: 62,969.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,349.40 : 102,474.89 = 41,999.70 : x
  2. Step 2: Convert to fraction form
    68,349.40/102,474.89 = 41,999.70/x
  3. Step 3: Cross multiply
    68,349.40x = 102,474.89 × 41,999.70
  4. Step 4: Simplify right side
    68,349.40x = 4,303,914,637.53
  5. Step 5: Solve for x
    x = 4,303,914,637.53/68,349.40
  6. Step 6: Final answer
    x = 62,969.31

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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.