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Finding the Fourth Proportional to 423,744.03, 635,703.53 and 124,234.38

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Solution

The fourth proportional to 423,744.03, 635,703.53 and 124,234.38 is: 186,377.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,744.03 : 635,703.53 = 124,234.38 : x
  2. Step 2: Convert to fraction form
    423,744.03/635,703.53 = 124,234.38/x
  3. Step 3: Cross multiply
    423,744.03x = 635,703.53 × 124,234.38
  4. Step 4: Simplify right side
    423,744.03x = 78,976,233,292.19
  5. Step 5: Solve for x
    x = 78,976,233,292.19/423,744.03
  6. Step 6: Final answer
    x = 186,377.22

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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.