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Finding the Fourth Proportional to 106,892.91, 160,367.09 and 40,333.64

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Solution

The fourth proportional to 106,892.91, 160,367.09 and 40,333.64 is: 60,510.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,892.91 : 160,367.09 = 40,333.64 : x
  2. Step 2: Convert to fraction form
    106,892.91/160,367.09 = 40,333.64/x
  3. Step 3: Cross multiply
    106,892.91x = 160,367.09 × 40,333.64
  4. Step 4: Simplify right side
    106,892.91x = 6,468,187,472.40
  5. Step 5: Solve for x
    x = 6,468,187,472.40/106,892.91
  6. Step 6: Final answer
    x = 60,510.91

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1.5x scale

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.