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Finding the Fourth Proportional to 79,958.10, 110,342.70 and 44,150.40

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Solution

The fourth proportional to 79,958.10, 110,342.70 and 44,150.40 is: 60,927.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,958.10 : 110,342.70 = 44,150.40 : x
  2. Step 2: Convert to fraction form
    79,958.10/110,342.70 = 44,150.40/x
  3. Step 3: Cross multiply
    79,958.10x = 110,342.70 × 44,150.40
  4. Step 4: Simplify right side
    79,958.10x = 4,871,674,342.08
  5. Step 5: Solve for x
    x = 4,871,674,342.08/79,958.10
  6. Step 6: Final answer
    x = 60,927.84

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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.