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Finding the Fourth Proportional to 79,192.94, 109,288.97 and 43,382.94

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Solution

The fourth proportional to 79,192.94, 109,288.97 and 43,382.94 is: 59,869.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,192.94 : 109,288.97 = 43,382.94 : x
  2. Step 2: Convert to fraction form
    79,192.94/109,288.97 = 43,382.94/x
  3. Step 3: Cross multiply
    79,192.94x = 109,288.97 × 43,382.94
  4. Step 4: Simplify right side
    79,192.94x = 4,741,276,663.41
  5. Step 5: Solve for x
    x = 4,741,276,663.41/79,192.94
  6. Step 6: Final answer
    x = 59,869.94

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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.