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Finding the Fourth Proportional to 248,586.69, 343,051.95 and 141,158.96

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Solution

The fourth proportional to 248,586.69, 343,051.95 and 141,158.96 is: 194,800.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,586.69 : 343,051.95 = 141,158.96 : x
  2. Step 2: Convert to fraction form
    248,586.69/343,051.95 = 141,158.96/x
  3. Step 3: Cross multiply
    248,586.69x = 343,051.95 × 141,158.96
  4. Step 4: Simplify right side
    248,586.69x = 48,424,856,487.97
  5. Step 5: Solve for x
    x = 48,424,856,487.97/248,586.69
  6. Step 6: Final answer
    x = 194,800.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.