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Finding the Fourth Proportional to 68,313.95, 102,605.98 and 41,350.78

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Solution

The fourth proportional to 68,313.95, 102,605.98 and 41,350.78 is: 62,107.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,313.95 : 102,605.98 = 41,350.78 : x
  2. Step 2: Convert to fraction form
    68,313.95/102,605.98 = 41,350.78/x
  3. Step 3: Cross multiply
    68,313.95x = 102,605.98 × 41,350.78
  4. Step 4: Simplify right side
    68,313.95x = 4,242,837,305.66
  5. Step 5: Solve for x
    x = 4,242,837,305.66/68,313.95
  6. Step 6: Final answer
    x = 62,107.92

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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.