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Finding the Fourth Proportional to 262,124.43, 361,853.51 and 197,619.78

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Solution

The fourth proportional to 262,124.43, 361,853.51 and 197,619.78 is: 272,807.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,124.43 : 361,853.51 = 197,619.78 : x
  2. Step 2: Convert to fraction form
    262,124.43/361,853.51 = 197,619.78/x
  3. Step 3: Cross multiply
    262,124.43x = 361,853.51 × 197,619.78
  4. Step 4: Simplify right side
    262,124.43x = 71,509,410,050.33
  5. Step 5: Solve for x
    x = 71,509,410,050.33/262,124.43
  6. Step 6: Final answer
    x = 272,807.12

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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.