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Finding the Fourth Proportional to 79,533.95, 109,757.51 and 43,723.17

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Solution

The fourth proportional to 79,533.95, 109,757.51 and 43,723.17 is: 60,338.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,533.95 : 109,757.51 = 43,723.17 : x
  2. Step 2: Convert to fraction form
    79,533.95/109,757.51 = 43,723.17/x
  3. Step 3: Cross multiply
    79,533.95x = 109,757.51 × 43,723.17
  4. Step 4: Simplify right side
    79,533.95x = 4,798,946,049.89
  5. Step 5: Solve for x
    x = 4,798,946,049.89/79,533.95
  6. Step 6: Final answer
    x = 60,338.34

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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.