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Finding the Fourth Proportional to 207,216.91, 310,824.32 and 179,051.27

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Solution

The fourth proportional to 207,216.91, 310,824.32 and 179,051.27 is: 268,576.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,216.91 : 310,824.32 = 179,051.27 : x
  2. Step 2: Convert to fraction form
    207,216.91/310,824.32 = 179,051.27/x
  3. Step 3: Cross multiply
    207,216.91x = 310,824.32 × 179,051.27
  4. Step 4: Simplify right side
    207,216.91x = 55,653,488,136.39
  5. Step 5: Solve for x
    x = 55,653,488,136.39/207,216.91
  6. Step 6: Final answer
    x = 268,576.00

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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.