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Finding the Fourth Proportional to 243,862.09, 365,319.90 and 179,703.82

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Solution

The fourth proportional to 243,862.09, 365,319.90 and 179,703.82 is: 269,206.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,862.09 : 365,319.90 = 179,703.82 : x
  2. Step 2: Convert to fraction form
    243,862.09/365,319.90 = 179,703.82/x
  3. Step 3: Cross multiply
    243,862.09x = 365,319.90 × 179,703.82
  4. Step 4: Simplify right side
    243,862.09x = 65,649,379,448.33
  5. Step 5: Solve for x
    x = 65,649,379,448.33/243,862.09
  6. Step 6: Final answer
    x = 269,206.99

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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.