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Finding the Fourth Proportional to 243,682.92, 336,353.94 and 141,732.36

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Solution

The fourth proportional to 243,682.92, 336,353.94 and 141,732.36 is: 195,632.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,682.92 : 336,353.94 = 141,732.36 : x
  2. Step 2: Convert to fraction form
    243,682.92/336,353.94 = 141,732.36/x
  3. Step 3: Cross multiply
    243,682.92x = 336,353.94 × 141,732.36
  4. Step 4: Simplify right side
    243,682.92x = 47,672,237,711.50
  5. Step 5: Solve for x
    x = 47,672,237,711.50/243,682.92
  6. Step 6: Final answer
    x = 195,632.25

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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.