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Finding the Fourth Proportional to 73,310.66, 109,929.08 and 35,814.54

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Solution

The fourth proportional to 73,310.66, 109,929.08 and 35,814.54 is: 53,703.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,310.66 : 109,929.08 = 35,814.54 : x
  2. Step 2: Convert to fraction form
    73,310.66/109,929.08 = 35,814.54/x
  3. Step 3: Cross multiply
    73,310.66x = 109,929.08 × 35,814.54
  4. Step 4: Simplify right side
    73,310.66x = 3,937,059,934.59
  5. Step 5: Solve for x
    x = 3,937,059,934.59/73,310.66
  6. Step 6: Final answer
    x = 53,703.79

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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.