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Finding the Fourth Proportional to 68,366.80, 102,463.80 and 60,936.40

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Solution

The fourth proportional to 68,366.80, 102,463.80 and 60,936.40 is: 91,327.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,366.80 : 102,463.80 = 60,936.40 : x
  2. Step 2: Convert to fraction form
    68,366.80/102,463.80 = 60,936.40/x
  3. Step 3: Cross multiply
    68,366.80x = 102,463.80 × 60,936.40
  4. Step 4: Simplify right side
    68,366.80x = 6,243,775,102.32
  5. Step 5: Solve for x
    x = 6,243,775,102.32/68,366.80
  6. Step 6: Final answer
    x = 91,327.59

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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.