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Finding the Fourth Proportional to 79,271.64, 109,394.83 and 43,460.89

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Solution

The fourth proportional to 79,271.64, 109,394.83 and 43,460.89 is: 59,976.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,271.64 : 109,394.83 = 43,460.89 : x
  2. Step 2: Convert to fraction form
    79,271.64/109,394.83 = 43,460.89/x
  3. Step 3: Cross multiply
    79,271.64x = 109,394.83 × 43,460.89
  4. Step 4: Simplify right side
    79,271.64x = 4,754,396,454.04
  5. Step 5: Solve for x
    x = 4,754,396,454.04/79,271.64
  6. Step 6: Final answer
    x = 59,976.01

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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.