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Finding the Fourth Proportional to 181,208.60, 271,812.90 and 154,964.60

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Solution

The fourth proportional to 181,208.60, 271,812.90 and 154,964.60 is: 232,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,208.60 : 271,812.90 = 154,964.60 : x
  2. Step 2: Convert to fraction form
    181,208.60/271,812.90 = 154,964.60/x
  3. Step 3: Cross multiply
    181,208.60x = 271,812.90 × 154,964.60
  4. Step 4: Simplify right side
    181,208.60x = 42,121,377,323.34
  5. Step 5: Solve for x
    x = 42,121,377,323.34/181,208.60
  6. Step 6: Final answer
    x = 232,446.90

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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.