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Finding the Fourth Proportional to 329,703.85, 494,550.41 and 105,061.25

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Solution

The fourth proportional to 329,703.85, 494,550.41 and 105,061.25 is: 157,590.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,703.85 : 494,550.41 = 105,061.25 : x
  2. Step 2: Convert to fraction form
    329,703.85/494,550.41 = 105,061.25/x
  3. Step 3: Cross multiply
    329,703.85x = 494,550.41 × 105,061.25
  4. Step 4: Simplify right side
    329,703.85x = 51,958,084,262.61
  5. Step 5: Solve for x
    x = 51,958,084,262.61/329,703.85
  6. Step 6: Final answer
    x = 157,590.17

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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.