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Finding the Fourth Proportional to 272,273.99, 408,430.47 and 72,593.33

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Solution

The fourth proportional to 272,273.99, 408,430.47 and 72,593.33 is: 108,895.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,273.99 : 408,430.47 = 72,593.33 : x
  2. Step 2: Convert to fraction form
    272,273.99/408,430.47 = 72,593.33/x
  3. Step 3: Cross multiply
    272,273.99x = 408,430.47 × 72,593.33
  4. Step 4: Simplify right side
    272,273.99x = 29,649,325,848.61
  5. Step 5: Solve for x
    x = 29,649,325,848.61/272,273.99
  6. Step 6: Final answer
    x = 108,895.18

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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.