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Finding the Fourth Proportional to 79,475.22, 109,667.25 and 45,941.22

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Solution

The fourth proportional to 79,475.22, 109,667.25 and 45,941.22 is: 63,393.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,475.22 : 109,667.25 = 45,941.22 : x
  2. Step 2: Convert to fraction form
    79,475.22/109,667.25 = 45,941.22/x
  3. Step 3: Cross multiply
    79,475.22x = 109,667.25 × 45,941.22
  4. Step 4: Simplify right side
    79,475.22x = 5,038,247,259.05
  5. Step 5: Solve for x
    x = 5,038,247,259.05/79,475.22
  6. Step 6: Final answer
    x = 63,393.94

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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.