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Finding the Fourth Proportional to 114,743.71, 171,992.51 and 55,497.88

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Solution

The fourth proportional to 114,743.71, 171,992.51 and 55,497.88 is: 83,187.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,743.71 : 171,992.51 = 55,497.88 : x
  2. Step 2: Convert to fraction form
    114,743.71/171,992.51 = 55,497.88/x
  3. Step 3: Cross multiply
    114,743.71x = 171,992.51 × 55,497.88
  4. Step 4: Simplify right side
    114,743.71x = 9,545,219,181.53
  5. Step 5: Solve for x
    x = 9,545,219,181.53/114,743.71
  6. Step 6: Final answer
    x = 83,187.30

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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.