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Finding the Fourth Proportional to 73,044.80, 109,363.68 and 46,684.48

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Solution

The fourth proportional to 73,044.80, 109,363.68 and 46,684.48 is: 69,896.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,044.80 : 109,363.68 = 46,684.48 : x
  2. Step 2: Convert to fraction form
    73,044.80/109,363.68 = 46,684.48/x
  3. Step 3: Cross multiply
    73,044.80x = 109,363.68 × 46,684.48
  4. Step 4: Simplify right side
    73,044.80x = 5,105,586,531.69
  5. Step 5: Solve for x
    x = 5,105,586,531.69/73,044.80
  6. Step 6: Final answer
    x = 69,896.65

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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.