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Finding the Fourth Proportional to 104,943.70, 144,813.14 and 58,367.65

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Solution

The fourth proportional to 104,943.70, 144,813.14 and 58,367.65 is: 80,542.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,943.70 : 144,813.14 = 58,367.65 : x
  2. Step 2: Convert to fraction form
    104,943.70/144,813.14 = 58,367.65/x
  3. Step 3: Cross multiply
    104,943.70x = 144,813.14 × 58,367.65
  4. Step 4: Simplify right side
    104,943.70x = 8,452,402,670.92
  5. Step 5: Solve for x
    x = 8,452,402,670.92/104,943.70
  6. Step 6: Final answer
    x = 80,542.26

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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.