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Finding the Fourth Proportional to 94,553.52, 130,486.68 and 52,114.80

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Solution

The fourth proportional to 94,553.52, 130,486.68 and 52,114.80 is: 71,919.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,553.52 : 130,486.68 = 52,114.80 : x
  2. Step 2: Convert to fraction form
    94,553.52/130,486.68 = 52,114.80/x
  3. Step 3: Cross multiply
    94,553.52x = 130,486.68 × 52,114.80
  4. Step 4: Simplify right side
    94,553.52x = 6,800,287,230.86
  5. Step 5: Solve for x
    x = 6,800,287,230.86/94,553.52
  6. Step 6: Final answer
    x = 71,919.98

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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.