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Finding the Fourth Proportional to 63,008.70, 94,403.70 and 53,167.20

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Solution

The fourth proportional to 63,008.70, 94,403.70 and 53,167.20 is: 79,658.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,008.70 : 94,403.70 = 53,167.20 : x
  2. Step 2: Convert to fraction form
    63,008.70/94,403.70 = 53,167.20/x
  3. Step 3: Cross multiply
    63,008.70x = 94,403.70 × 53,167.20
  4. Step 4: Simplify right side
    63,008.70x = 5,019,180,398.64
  5. Step 5: Solve for x
    x = 5,019,180,398.64/63,008.70
  6. Step 6: Final answer
    x = 79,658.53

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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.