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Finding the Fourth Proportional to 161,554.50, 222,950.34 and 101,105.82

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Solution

The fourth proportional to 161,554.50, 222,950.34 and 101,105.82 is: 139,529.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,554.50 : 222,950.34 = 101,105.82 : x
  2. Step 2: Convert to fraction form
    161,554.50/222,950.34 = 101,105.82/x
  3. Step 3: Cross multiply
    161,554.50x = 222,950.34 × 101,105.82
  4. Step 4: Simplify right side
    161,554.50x = 22,541,576,944.98
  5. Step 5: Solve for x
    x = 22,541,576,944.98/161,554.50
  6. Step 6: Final answer
    x = 139,529.24

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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.