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Finding the Fourth Proportional to 94,723.40, 142,149.90 and 52,603.40

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Solution

The fourth proportional to 94,723.40, 142,149.90 and 52,603.40 is: 78,941.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,723.40 : 142,149.90 = 52,603.40 : x
  2. Step 2: Convert to fraction form
    94,723.40/142,149.90 = 52,603.40/x
  3. Step 3: Cross multiply
    94,723.40x = 142,149.90 × 52,603.40
  4. Step 4: Simplify right side
    94,723.40x = 7,477,568,049.66
  5. Step 5: Solve for x
    x = 7,477,568,049.66/94,723.40
  6. Step 6: Final answer
    x = 78,941.09

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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.