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Finding the Fourth Proportional to 181,329.03, 270,171.05 and 171,142.88

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Solution

The fourth proportional to 181,329.03, 270,171.05 and 171,142.88 is: 254,994.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,329.03 : 270,171.05 = 171,142.88 : x
  2. Step 2: Convert to fraction form
    181,329.03/270,171.05 = 171,142.88/x
  3. Step 3: Cross multiply
    181,329.03x = 270,171.05 × 171,142.88
  4. Step 4: Simplify right side
    181,329.03x = 46,237,849,383.05
  5. Step 5: Solve for x
    x = 46,237,849,383.05/181,329.03
  6. Step 6: Final answer
    x = 254,994.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.