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Finding the Fourth Proportional to 181,321.14, 271,981.67 and 56,662.14

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Solution

The fourth proportional to 181,321.14, 271,981.67 and 56,662.14 is: 84,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,321.14 : 271,981.67 = 56,662.14 : x
  2. Step 2: Convert to fraction form
    181,321.14/271,981.67 = 56,662.14/x
  3. Step 3: Cross multiply
    181,321.14x = 271,981.67 × 56,662.14
  4. Step 4: Simplify right side
    181,321.14x = 15,411,063,179.66
  5. Step 5: Solve for x
    x = 15,411,063,179.66/181,321.14
  6. Step 6: Final answer
    x = 84,993.20

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1.5x scale

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.