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Finding the Fourth Proportional to 74,601.50, 102,950.10 and 41,067.50

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Solution

The fourth proportional to 74,601.50, 102,950.10 and 41,067.50 is: 56,673.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,601.50 : 102,950.10 = 41,067.50 : x
  2. Step 2: Convert to fraction form
    74,601.50/102,950.10 = 41,067.50/x
  3. Step 3: Cross multiply
    74,601.50x = 102,950.10 × 41,067.50
  4. Step 4: Simplify right side
    74,601.50x = 4,227,903,231.75
  5. Step 5: Solve for x
    x = 4,227,903,231.75/74,601.50
  6. Step 6: Final answer
    x = 56,673.17

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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.