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Finding the Fourth Proportional to 79,763.46, 110,066.05 and 47,052.77

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Solution

The fourth proportional to 79,763.46, 110,066.05 and 47,052.77 is: 64,928.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,763.46 : 110,066.05 = 47,052.77 : x
  2. Step 2: Convert to fraction form
    79,763.46/110,066.05 = 47,052.77/x
  3. Step 3: Cross multiply
    79,763.46x = 110,066.05 × 47,052.77
  4. Step 4: Simplify right side
    79,763.46x = 5,178,912,535.46
  5. Step 5: Solve for x
    x = 5,178,912,535.46/79,763.46
  6. Step 6: Final answer
    x = 64,928.38

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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.