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Finding the Fourth Proportional to 248,430.54, 372,593.57 and 79,965.93

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Solution

The fourth proportional to 248,430.54, 372,593.57 and 79,965.93 is: 119,932.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,430.54 : 372,593.57 = 79,965.93 : x
  2. Step 2: Convert to fraction form
    248,430.54/372,593.57 = 79,965.93/x
  3. Step 3: Cross multiply
    248,430.54x = 372,593.57 × 79,965.93
  4. Step 4: Simplify right side
    248,430.54x = 29,794,790,937.24
  5. Step 5: Solve for x
    x = 29,794,790,937.24/248,430.54
  6. Step 6: Final answer
    x = 119,932.08

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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.