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Finding the Fourth Proportional to 73,160.42, 109,655.91 and 33,634.58

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Solution

The fourth proportional to 73,160.42, 109,655.91 and 33,634.58 is: 50,412.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,160.42 : 109,655.91 = 33,634.58 : x
  2. Step 2: Convert to fraction form
    73,160.42/109,655.91 = 33,634.58/x
  3. Step 3: Cross multiply
    73,160.42x = 109,655.91 × 33,634.58
  4. Step 4: Simplify right side
    73,160.42x = 3,688,229,929.09
  5. Step 5: Solve for x
    x = 3,688,229,929.09/73,160.42
  6. Step 6: Final answer
    x = 50,412.92

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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.