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Finding the Fourth Proportional to 248,263.43, 372,103.54 and 114,861.89

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Solution

The fourth proportional to 248,263.43, 372,103.54 and 114,861.89 is: 172,157.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,263.43 : 372,103.54 = 114,861.89 : x
  2. Step 2: Convert to fraction form
    248,263.43/372,103.54 = 114,861.89/x
  3. Step 3: Cross multiply
    248,263.43x = 372,103.54 × 114,861.89
  4. Step 4: Simplify right side
    248,263.43x = 42,740,516,523.19
  5. Step 5: Solve for x
    x = 42,740,516,523.19/248,263.43
  6. Step 6: Final answer
    x = 172,157.93

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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.