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Finding the Fourth Proportional to 79,762.96, 110,065.36 and 47,052.28

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Solution

The fourth proportional to 79,762.96, 110,065.36 and 47,052.28 is: 64,927.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,762.96 : 110,065.36 = 47,052.28 : x
  2. Step 2: Convert to fraction form
    79,762.96/110,065.36 = 47,052.28/x
  3. Step 3: Cross multiply
    79,762.96x = 110,065.36 × 47,052.28
  4. Step 4: Simplify right side
    79,762.96x = 5,178,826,137.02
  5. Step 5: Solve for x
    x = 5,178,826,137.02/79,762.96
  6. Step 6: Final answer
    x = 64,927.71

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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.