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Finding the Fourth Proportional to 79,367.94, 109,526.76 and 43,558.38

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Solution

The fourth proportional to 79,367.94, 109,526.76 and 43,558.38 is: 60,110.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,367.94 : 109,526.76 = 43,558.38 : x
  2. Step 2: Convert to fraction form
    79,367.94/109,526.76 = 43,558.38/x
  3. Step 3: Cross multiply
    79,367.94x = 109,526.76 × 43,558.38
  4. Step 4: Simplify right side
    79,367.94x = 4,770,808,232.25
  5. Step 5: Solve for x
    x = 4,770,808,232.25/79,367.94
  6. Step 6: Final answer
    x = 60,110.02

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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.