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Finding the Fourth Proportional to 71,119.26, 106,737.24 and 36,068.94

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Solution

The fourth proportional to 71,119.26, 106,737.24 and 36,068.94 is: 54,133.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,119.26 : 106,737.24 = 36,068.94 : x
  2. Step 2: Convert to fraction form
    71,119.26/106,737.24 = 36,068.94/x
  3. Step 3: Cross multiply
    71,119.26x = 106,737.24 × 36,068.94
  4. Step 4: Simplify right side
    71,119.26x = 3,849,899,105.33
  5. Step 5: Solve for x
    x = 3,849,899,105.33/71,119.26
  6. Step 6: Final answer
    x = 54,133.00

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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.