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Finding the Fourth Proportional to 131,369.82, 181,299.57 and 73,230.24

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Solution

The fourth proportional to 131,369.82, 181,299.57 and 73,230.24 is: 101,062.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,369.82 : 181,299.57 = 73,230.24 : x
  2. Step 2: Convert to fraction form
    131,369.82/181,299.57 = 73,230.24/x
  3. Step 3: Cross multiply
    131,369.82x = 181,299.57 × 73,230.24
  4. Step 4: Simplify right side
    131,369.82x = 13,276,611,023.00
  5. Step 5: Solve for x
    x = 13,276,611,023.00/131,369.82
  6. Step 6: Final answer
    x = 101,062.87

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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.