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Finding the Fourth Proportional to 72,950.94, 109,425.29 and 44,496.24

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Solution

The fourth proportional to 72,950.94, 109,425.29 and 44,496.24 is: 66,743.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,950.94 : 109,425.29 = 44,496.24 : x
  2. Step 2: Convert to fraction form
    72,950.94/109,425.29 = 44,496.24/x
  3. Step 3: Cross multiply
    72,950.94x = 109,425.29 × 44,496.24
  4. Step 4: Simplify right side
    72,950.94x = 4,869,013,965.91
  5. Step 5: Solve for x
    x = 4,869,013,965.91/72,950.94
  6. Step 6: Final answer
    x = 66,743.68

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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.