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Finding the Fourth Proportional to 63,002.70, 94,394.70 and 53,161.20

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Solution

The fourth proportional to 63,002.70, 94,394.70 and 53,161.20 is: 79,649.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,002.70 : 94,394.70 = 53,161.20 : x
  2. Step 2: Convert to fraction form
    63,002.70/94,394.70 = 53,161.20/x
  3. Step 3: Cross multiply
    63,002.70x = 94,394.70 × 53,161.20
  4. Step 4: Simplify right side
    63,002.70x = 5,018,135,525.64
  5. Step 5: Solve for x
    x = 5,018,135,525.64/63,002.70
  6. Step 6: Final answer
    x = 79,649.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.