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Finding the Fourth Proportional to 53,181.92, 79,697.66 and 29,499.90

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Solution

The fourth proportional to 53,181.92, 79,697.66 and 29,499.90 is: 44,208.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,181.92 : 79,697.66 = 29,499.90 : x
  2. Step 2: Convert to fraction form
    53,181.92/79,697.66 = 29,499.90/x
  3. Step 3: Cross multiply
    53,181.92x = 79,697.66 × 29,499.90
  4. Step 4: Simplify right side
    53,181.92x = 2,351,073,000.23
  5. Step 5: Solve for x
    x = 2,351,073,000.23/53,181.92
  6. Step 6: Final answer
    x = 44,208.13

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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.